To my knowledge, Grohl has never paused a show so that he could go off on a racist tirade, but at the same time, I don't think Claptoan has ever gone out and done a bunch of benefit shows for an HIV/AIDS denial org
I was at Bluesky when I saw the photo and for a second I thought about making my joke there. But even with a footnote explanation - it wouldn't work. Imagine telling an adrenochrome to libs at brunch. I think the best response you'd get is that they'd stare at you blankly. And then laugh at you once you where out of earshot.