When you say "the only evidence that once existed to say they caused the damage used 100% faked results", that is the kind of claim for which there could be evidence. What's more, it's the kind of claim that you should present evidence for when making the claim, since it's an attack on the credibility and honesty of those doing the study.
Sure, I am referring there to what started with
https://www.science.org/content/article/potential-fabricatio...
And finished with the resignation of the stanford prof engaged in it, and all the evidence that they cause cognitive imparment being retracted.
E.g.
https://www.nature.com/articles/nature04533