Well, it's occasionally hard to see clear evidence that earth (or, specifically, tolerable conditions for human life on it) is rapidly heading towards the shitter - and there are plenty of people who'd rather go ad hominem than engage with the scientific evidence of the problem at hand.
In other words: You are the deal.
Way to make the parent's point with a misanthropic misunderstanding of what was actually said.
Maybe it comes off as kind of edgy. Or maybe they're enjoying a preemptive "I told you so - idiots!" victory lap.
This attitude does not make me take your point seriously. It sets off my ideologue detector.