Found data from Playboard. I thought the girls were a little higher, bar Pippa. That said, if Fishman is doing any sort of merch or others sponsor stuff, they should be doing that amount of revenue. Also, I'm not talking about what the girls are clearing for themselves; just their generated revenue.
Tenma is listed as a Canadian channel, haha.
As for live interaction, one doesn't have to go as far as Nagzz (where Chat runs the channel), but it's a bit part of what really "makes" a streamer. The point is to make people feel "in" on the activity, even if you're just watching. When it comes to game streaming, it's little different than sitting and watching a friend play a game while you joke with each other. But we also know Nagzz is making 200k a year in just Twitch subs from a
~920 avg CCV.