All of these services are very new. Exactly what people want out of them — including what the people operating instances want out of them — is still being worked out.
This is not a commercial production service that you have a contract with. It's an experimental system run by volunteers who don't all have the same ideas in mind. People aren't just working out the kinks — the process of discovering what this is all really for is still ongoing.
Expect friction. Expect weirdness. Expect rapid growth and, therefore, rapid change.
Also, expect people to fuss when they get surprised they can't do something they want to. That's also normal.