Or we can ignore the psychobabble entirely, and get on with biomedical research into pathology and treatments.This study will not stop the wittering on about deconditioning being the cause of CFS. Instead, people just diagnosed with an infection known to trigger ME/CFS need to be followed for a couple of years. There needs to be a comparison between people who go on to have ME/CFS and those who don't, in terms of activity levels before and during the acute illness and cardiac measures throughout the study period.
All the research in the world won't convince the psychobabblers. Since they don't give a damn about evidence, they'll never have any problem inserting vague and unprovable hypotheses about thoughts and behaviors actually contributing after all.