Even better, from npub15qwuf8njm934yju6pcxns9g9gjsmjlu94dkt3w54wpjjgz9zmjds3n3p2z (npub15qw…3p2z) in his…Substack newsletter (read alt text). https://popehat.substack.com/p/substack-has-a-nazi-opportunity
I will not use Substack myself; am no longer paying for any Substack newsletters; and recommend people don't use it.
Sadly, they have become such a giant and are so good at getting people to pay for newsletters, some significant number of people don't have an alternative between using Substack and making a living. Those who do? Hey, maybe leave!