This is brilliant. I wouldn't worry too much about the Facebook and Instagram accounts, it's really difficult to get some actual traction from a 500 person community there. This rename move anyway is great in terms of publicity and you should try to make as much out of that as possible.

In a grander scheme of things it's interesting to see how vigorously Instagram / Facebook are trying to protect themselves from decentralized alternatives. Maybe because they have something in the making themselves, but maybe it's also because they actually feel threatened by the web 3.0...

Anyway, great work, keep it up!