> but this is not how a public blacklist should be maintained.

Cry about it.

There's nothing in that repo that even pretends to be flawless, impartial or anything else. The sheer amount of mental denial of service that having to deal with SEO slopshitters opening issues saying that they promise their substack is totally written by hand makes this an impossible task.

Ban first, ask questions later. If you find that some rules are unfair, edit them yourself, for your personal usage.