#Substack is hosting, monetising and promoting Nazi blogs (https://mastodon.social/@taylorlorenz/114939115888742842). Substack's CEO admitted this back in 2023 (https://techcrunch.com/2024/01/09/substack-nazi-content-policies-controversy/).
If you are still using Substack, it is time to leave.
You might want to try #Ghost, a free open source self-hostable alternative to Substack (more info: https://ghost.org/vs/substack/). If you don't self-host, you can sign up at https://ghost.org
Ghost has Fediverse support in testing, Ghost users can sign up at https://activitypub.ghost.org
