It's never been about "If you smoke you WILL get lung cancer" or "If you drink sugary drinks you WILL develop diabetes." It's about people who do those things having a statistically better chance of suffering from those conditions. Now, if you think some global, left-wing, Al Gore-endorsed cabal of conspiratorial scientists is cooking those statistics to further their dreams of world domination or whatever, there is no way to argue with you because you've wrapped your head in tin foil.
Oh, but now we know that "Climate Change" is actually a plot by the Chinese to put American industry at a disadvantage. Of course, Al could be conspiring with the Chinese...a new "Manchurian Candidate," perhaps...