Maybe some legit, but I suspect more are dominated by social signaling sessions and talk therapy.

Maybe they shouldn't be ... there's literally no reason for this when there are plenty of other collaboration methods that work just fine asynchronously. Yes, I understand that many of those jobs are just that way because that's the way they are, and people are used to it, and it's a core part of the way they work. But eventually, someone's gonna come along that's going to dare to do it differently, and they're gonna put them out of business