The way things are going with centralization, pretty soon the web itself will be unsuitable for adult media. Maybe we need a xxx:// protocol instead of the .xxx domain suffix.
The more challenging issue I see is getting a large community of people to switch from their existing happy-clicky (low-friction, no pun intended) website to something that requires installing Tor.
Instead of watching hour-long videos in 1080p, you get to watch a single JPEG download and render line-by-line until the connection drops right at the exciting part.