Dorsey's net worth is something north of $4B, not to mention all the connections he has for investment. Raising a paltry $8M was not due to the difficulty of procuring money; not to attempting to scale rapidly was a deliberate choice. It's quite possibly going to end up a very bad choice.
Seems pretty clear typical users don't care about decentralization, verification for themselves, or algorithm customization at all. They just want to post and look at nonsense.
I'm not sure what will become of Bluesky, but I don't think it'll the Twitter replacement. Seems more like a classic case of developing for power users instead of typical ones.