[LeifCarrotson]

Actually valuable educational sales middlemen - making an individual aware of a tool that they didn't know existed but which solved a problem they already had - are such an infinitesimally small part of online advertising that those use cases can be completely ignored.

This isn't a situation where one rotten apple spoils the whole bunch, it's more like one good apple inadvertently was dropped into a toxic cesspool of rotten apples.