I was shopping for a used car a couple of months ago. I had an question about a car, and figured, what the heck, let's give it a try.

No answer, of course.

Brilliant.

It's particularly frustrating since the pop up "Chat Bot" is almost always just a crappy search "Bot" which does a worse job than the normal search engine.

You can block the offending domains with uBlock Origin or similar tool. It's a relatively small effort to block the most used ones after which you won't see most of the popups anymore.