Earlier quoted context omitted.
Maybe I'm misunderstanding you. Do you recognize the possibility of good-faith disagreements on matters of fact, or do you expect that every reasonable person should agree in all cases about what's true and false? In the latter case I agree I don't see a productive discussion to be had here.
People who deny climate change and other settled science and don't wear masks because they think it's a political statement aren't "reasonable people".
Philosophy of science isn't that objectively finalized btw. The whole Vienna school which got obliterated by philosophers because it said that only valid scientific statements are those which can be empirically verified.
I understand that majority of the people making a certain viewpoint may be stupid but don't take it as the strength of your scientific statements. Even theory of evolution may need major corrections tomorrow and could even turn out to be completely false.