Bitcoin has already largely been captured and controlled. It has been banned for p2p payments in almost all autocracies (70% of humanity) and in the 'liberal western democracies' where it is 'allowed' to be used as a p2p payment the tax recording and reporting and payment obligations that have been imposed almost everywhere make it effectively impractical to lawfully use almost everywhere.

Do you pay the tax due upon each and every post and zap? Yeah nah.

Bitcoin as a KYCed, taxed, speculative commodity is little more threat to the fiat monetary hegemony than any other speculative commodity - because fiat monetary hegemony and power is founded upon its monopoly over MoE...and they have already largely slyly but successfully obstructed (if not banned) MoE use.