I come from a different world, very far away from the blockchain technology. I come from the world of Marketing and here are my two cents @timcliff.
I believe there's nothing wrong with limitations on new user accounts, as this is possibly a really good spam filter. A spam filter which will decrease the amount of junk and make this a better place for everyone.
Many people would love to exploit the system as long as it makes them money. I'm talking about automated account creation, automated upvoting bots, mass commenting bots, etc.
Below is one example of what I'm talking about: