I think you hit the nail on the head with the cultural issue part. People expect things for free on the internet. Even though I think most of us on nostr understand this, it's not actually free you're paying with your data. And I do think people are starting to wake up to this fact. But until a larger population of people wakes up to the fact that on these "free" platforms you are actualy the product a Sustainable value for value style, economy will not persist for long.