An EXCELLENT, thoughtful read.
'Even if the other side was corrupt, disingenuous, bought-and-paid-for, you would still have to prove the counterargument. With logic and the evidence available.
Let’s grant that your opponent was biased. “But then we must realize that his alleged bias produced theorems which successfully withstood all objections.” Then, is he even biased?'

https://www.aier.org/article/the-only-question-that-matters-is-it-correct/