No. It only compromises aspects of Bitcoin like censorship resistance and trust-less bearer money. The supply cap continues to be enforced no matter who has custody of it. If fiat had a hard, unchangeable, known supply cap, or even if gold had one, there could be no bailouts.
And he has frequently talked about how we need financial products for Bitcoin because it’s impossible to expect companies and investment funds to hold their own keys in a single wallet. He uses a custodian for all of microstrategy’s Bitcoin. I’m not saying either of those things are good, but I don’t think he’s a bad actor because he holds that perspective.