Interesting. My own speculation had been that giving Substack creators their own domains wouldn't necessarily be in the creators' interest as a group, because o

Interesting. My own speculation had been that giving Substack creators their own domains wouldn't necessarily be in the creators' interest as a group, because of things like e.g. Apple's policy with respect to blocking third-party cookies. Keeping everything on substack.com means there's less friction when a user signs up for their second (or N + 1th) newsletter, which surely implies more revenue for creators in the aggregate.