If you're playing cards with a guy who you were told is shady, and he gets two royal flushes in a few hands, those royal flushes are irrelevant to you.
I agree they don't prove anything, but they sure as hell are relevant under a lesser standard of what is worth considering.
What was the point of posting the article? We've had two freaking heat waves two months in a row. This is the sort of thing scientists have been predicting about global warming. Nothing wrong with me pointing out that global warming, at minimum, made these event more likely.