holothuroid

That's unlikely. Both Reddit and Twitter speak or at least spoke to people who enjoy a certain image of being anti establishment (in one way or another and whether that's warranted or not). Youtube just doesn't. You can't get more mainstream than Youtube.

I'm new here, not sure how to send DMs, yet, but yeah, I'm interested. I enjoy PbtA

I'd like to run my personal Rebellion Against the Gods setting with Cairn system, probably importing the style of races tables with rerolls from Glog. This still needs customizing backgrounds. Maybe I use something like secrets instead.