That gets tricky. But at the least it would help me not see radicalized ads when I am generally searching. And that doesn't mean ads based on my search either.

Yes it doesn't drive as much engagement, but that's the point. Over-optimizing for engagement is a bad thing. We have seen repeated evidence of this.

There should be general overarching categories: News site, food site, movie site, game site. But not "news site for radical right-wingers who believe in tucker carlson and think gun control is communism" which doesn't really require user tracking, but I think still falls on the bad side of things.

"Is a kid" is interesting. There's literally laws to prevent children from receiving too much advertising on TV _for good reasons_ their brains aren't developed enough to counter it. But on the internet? ANYTHING GOES!