Don't get me wrong. I love the idea and was trying to pitch people for funding on this almost 10 years ago and never hit anything but a brick wall.
1. Why should a creator subscribe if it's not going to be a relevant revenue stream?
2. Why should a consumer subscribe (at a fixed fee, no less) if their favorite creators do not support it?
It's basically the same model Brave is using with their Basic Attention Token platform.