I have no reason to think…

I have no reason to think BR will be a bad actor, they will just offer a service to their customers. Centralization with custodians can always be a danger to the balance that has worked for bitcoin so far. With gold you can basically lever up using fractional reserve. With btc it's a lot harder due to that fact that people can and do take custody. Generally in the US it's a good environment for btc as digital gold, with customers demand. And alt coins viewed as securities going to war with the SEC. BTC can just stay calm and keep stacking. BR getting too big would be a concern. But there's limits on what can be done. And every action will have a mitigation.