David Tuller has written on this topic in publications like the New York Times: https://www.nytimes.com/2017/03/18/opinion/sunday/getting-it...
There are some summary pieces from science blogs:
https://sciencebasedmedicine.org/treating-chronic-fatigue-sy...
https://senseaboutscienceusa.org/pace-research-sparked-patie...
There are also important political aspects to this, particularly in the UK, eg: https://www.huffingtonpost.co.uk/dr-simon-duffy/the-misleadi...
Cochrane commissioned a report which confirmed that Courtney's complaints about Larun's work were well justified: http://www.virology.ws/wp-content/uploads/2019/03/Cochrane-R...
If anyone has any questions, I'll try to answer them. This Reuters piece is more spin and BS from powerful people who want to avoid engaging in debate about the problems with their work.
The Journal of Health Psychology published an entire special issue on the PACE trial: https://journals.sagepub.com/doi/full/10.1177/13591053177223...