How to debate a nihilist ad hominem statement? “You are all paranoid and why would it matter because some day the earth will end.”
By that logic, nobody should say or do anything about anything. And anyone who does is inherently paranoid or gullible.
Voicing concerns about MQA is a form of resistance to the data monopolists. I’m not saying we’re Rosa Parks or anything, but there is no reason to take non-substantive pot shots at people having a serious discussion and not even be funny about it. At least be funny.