I thought this was a very nicely expressed and succinct summary of what I was trying to say before in my rambling way...and I have some further thoughts...so I'll ramble on again...
Re Mark at #14
Your post brings up a deeper issue: At a time when we know that 'authoritative' sources of information and individuals in the government possessing considerable power lie, and lie in ways that materially undermine our well-being how do we know whom to believe?
I don't think there is an easy answer. "Believe nothing" is equal to "believe everything"; neither approach evaluates for truth. Without at least some personal knowledge of a subject of interest it can be very hard to untangle truth, lies, and the ordinary fog of uncertainty where the truth is not known with surety by anyone.
I answer this dilemma by focusing on the word 'trust' rather than 'believe'. You make the crucial point that the truth is not known with surety by anyone. Actually this is always the case, even in areas of science that are thought to be absolutely solidly nailed down. It's important to remember that science does not deal in truth and certainty and does not and can not deliver it. Scientific knowledge is always at least slightly uncertain and is always subject to further unexpected evolution - there is always an exception, a catch, just round the corner. So what I look for is people who are open and balanced and who don't close themselves off to even the strangest and most unexpected ideas.
Most of all, I look out for the human factors: compassion, decency, tolerance, openness - all the positive qualities that I would look for in other spheres of life when deciding who to trust. It isn't actually terribly difficult to untangle the fog when you view the question through this lens. We all know instinctively who our allies are, by observing their behaviour, and even if the nasty and dishonest guys may sometimes have a better handle on the actual truth of the matter and may sometimes be right, in a situation where everyone is uncertain and where it's important to ensure that all sides get a fair hearing, there's no harm done by lining up alongside the good guys and the underdogs, whilst keeping one's rational and critical faculties intact.
So that's my answer to it: it isn't a question of who to believe so much as it is a question of who deserves the greater benefit of the doubt, and who is behaving in a way that gives legitimate grounds to question their motivations and objectivity.
Nasty, devious, aggressive, arrogant, condescending, unempathetic and disrespectful people are likely to have spent their lives hanging around with people like themselves, and they are likely to be involved in enterprises that are tainted by that nastiness - and I do believe that any scientist's personal traits and biases are always going to run through their work - what they choose to work on, who they work for, and how they manipulate their results. So even though one would assume that all these human factors should be irrelevant to scientific truth, in an adversarial situation they do actually help tell you whose perspective you should be paying the closest attention towards.
"Spluttering incoherent rage and ad hominem attacks" can be a misleading guide though. Oppressed and powerless people are often driven into such states by the powerful when they calmly twist the truth and deceive the majority. Intransigent conservatism often frustrates the honest seekers of truth who are really working on behalf of suffering people. When Wessely jumps straight in and says "I don't think we'll find XMRV...pause...right, there you go, we didn't find it" then the spluttering incoherent rage and ad hominem attacks are a natural response. So great care is appropriate, when quack-detecting and crank-detecting, to avoid the risk of false positives and confirmation bias - witness the case of Dr Sarah Myhill, which will be heard in the High Court this week...
Unfortunately this quite real and crippling disease has gotten a strange treatment from the main research driver on Earth - the US government.
And to me, this political factor, this demonstrably weird response to our illness, is one of the biggest mysteries that remains to be explained. One might explain it through psychological, institutional, systemic factors rather than exposing a deliberate conspiracy to suppress ME/CFS sufferers, but it arises for me as one of the biggest issues that needs to be addressed in the future. Just what is it that has caused unexplained and novel illnesses like ours to be placed at the bottom of the priority pile rather than the top?
I remember all those early days when I sat in my doctor's surgery and realised that what I was describing was clearly not in the medical textbooks, and was therefore something new which might lead to significant scientific discoveries. I naively assumed - oh! how naive! - that after this persisted a few more years, at some point I would become the subject of intense interest from some of the country's top researchers - whisked away to some specialist centre where my bizarre and impossible symptoms would be investigated by those who were looking to push back the boundaries of human knowledge and proactively seeking to find and explain new and emerging diseases and new medical phenomena.
I had reckoned without the complacency and condescension of the medical world. That inability of the medical system to process anything strange or unknown, that capacity to ignore and even suppress what is inconvenient, is a question that will demand explanation and resolution, even after our own mystery is explained. We will all have a responsibility to ensure that what we have experienced should never again happen to the next generation - after MS, and then ME, the next medical mystery must not be written off as imaginary for decades while it spreads unchecked, and those suffering from it must be treated with at least the same respect afforded to those with recognised conditions.