I am not sure I understand your point about what business principles Twitter is not caring about. The twitter stock has been going down since before the introdu

I am not sure I understand your point about what business principles Twitter is not caring about. The twitter stock has been going down since before the introduction of fact checking. Their revenue is down due to lower ad sales as a consequence of covid19. Political tweets by Trump have affected the performance of the market for a while now. https://www.bloomberg.com/features/trump-tweets-market/ https://www.bloomberg.com/features/trump-tweets-market/