It's almost like they don't have infinite money and need to decide where to allocate their resources.

Marketers care very much about the context their ads appear in, which is why they're leaving Twitter in droves. https://www.npr.org/2022/11/25/1139180002/twitter-loses-50-t...

Musk has already had one public tantrum about it. https://twitter.com/elonmusk/status/1597285572699074560

I qualify as a marketer. I don't want my ads seen by people not local to my market. Audience size alone isn't useful, it's about target audience, of which, almost none of that would have been blocked recently. (I don't use or market on twitter).