I think the difference here is that medium tried to be free and then charge, while substack leaves that up to the author. Medium followed the Web 2.0 model, sub

I think the difference here is that medium tried to be free and then charge, while substack leaves that up to the author. Medium followed the Web 2.0 model, substack is following Web 3.0? Creators get to choose how to monetize their product, platforms just act as platforms and get out of the way.