Science is a liar...Sometimes, Its Always Sunny in Philadelphia

Indeed there would. The naive estimate of deaths is bad enough, the knock on impact is a bit harder to wrap our heads around in terms of magnitude, but would still be severe. Basically - this is not nothing, it’s being treated like a Big Deal because it legitimately is. There’s a lot of talk from the “treatment is worse than the disease” crowd, scant few of whom are experts. And like climate change and evolution deniers many of the arguments seem to boil down to conspiracy theories or the It’s Always Sunny In Philadelphia argument - “science is a liar ... sometimes”: ▶ this video

He was an ethics professor. I bet a good amount of money that the point he was making pertained to blindly trusting authority rather than doing your own research. Or in other words: ▶ this video

I've just read one ( link ) and it was less than convincing. In fact, I feel like it's a less-crude version of Mac's argument ( ▶ this video ).

"Our understanding of physics is very wrong" - this seems very likely to me. Pretty much all scientists have been proven wrong so far in significant ways. The entire structure of the universe makes no sense without tons of dark matter and dark energy we can't observe, which sounds a lot like the way we used to balance the equations of orbits so the earth was the center of the galaxy. ▶ this video 2. I think this alleges a pretty large conspiracy theory on the order of 9/11 being faked. There is a wide body of evidence from a lot of reputable witnesses of unexplained phenomena. The idea that the military fabricated that video and the pilots who are the witnesses is more ridiculous to me than "Our understanding of physics is very wrong"

Interestingly the first sentence of your second paragraph is a plot point in an episode of It's Always Sunny in Philadelphia ("Science is a liar ... sometimes") : ▶ this video