I don't mind that Tangled is VC funded as long the tech is open (it is) and as far as I can discern it is federated and decentralized. You and I probably have different ideas of what the future may be and that's okay.
ATproto has some real benefits - data sovereignty is possible - but for this particular use case it only makes it possible for you to migrate your connections and history to the next place that everyone is going to.