And people wonder why we don't believe Global Warming.
I don't wonder. I see it as one of the human brain's greatest weaknesses. More and more research shows that once people pick a side, they are highly likely to dig in and contrary evidence actually reinforces their incorrect position. Perhaps this served some evolutionary purpose (you only need to learn fire is hot once) but in today's world where humans have the capability to drastically alter the environment we need to listen to the fucking facts.
Lead is bad for the brain even if the lead industry spends 50 years and $millions trying to prove otherwise. Smoking causes cancer even if the cigarette industry spends 50 years and $millions trying to prove otherwise. The average global temperature is rising due to human emissions of a known greenhouse gas into the atmosphere at a rate that does indeed match most models even if the fossil fuel industry spends 50 years and $millions trying to prove otherwise. Not exactly sure what industry is against vaccinations (maybe religion) but apparently you might not even need a shadowy group to cause trouble (see recent measles outbreaks).
For an especially hilarious example, see the John Oliver clip where newt ginrich repeatedly basically says "my feelings are more important than your facts for making policy". If humanity as a whole can evolve past that bullshit maybe we have a shot at colonizing space...or at least finding out if the physics of the universe allow it. If not, then I guess we don't deserve to and we'll get wiped out and the earth will try again in a few hundred million years.
Anyway, hopefully the deniers are right cause if not, we're fucked.