Eventually I'd expect it to happen, no matter how entrenched, there's always a risk that bad actors come into the scene with more money than god and try to destroy it.
Only in a fiat money system you can use printed money to destroy things, more money will just make bitcoin stronger since it is by design against any common wisdom in today's financial system
Guy comes in bringing wealthy friends and treating them to preferential rates whilst the peasants pay through the nose for overpriced delayed goods. Centralisation involves control and those at the top doing better than everyone else, generally for no other reason than sociopathic lack of empathy.