I think if I suggested you were mainstream, you’d mute, then block me and rightly.I think you’re safe, because they prolly all on Twitter.
Also Keen comes with touches of snarl here and there, all entirely needed. His latest serial post for his book (chap 9) mentions other names. Mike Radzicki is a regular on the stream. The weekly stream resumes soon and it’s a good place to learn more faces. The list I have is gleaned from past guests.