Katie Notopoulos writes about the economic incentives for substack to keep Nazis:
Also links to a post signed by a bunch of prominent substackers who are just fine with the policy as it stands. Contains the usual suspects of Bari Weiss, Edward Snowden, Matt Taibbi and Michael Shellenberger: https://substack.com/home/post/p-139757629
Good to have on hand if you find any of them linked so they can be avoided