core has no power.
Hmm, you must have been sleeping
when Core threaten the miners that they would brick all of their millions of asics by changing the PoW algo, costing the miners billion$.
https://www.nasdaq.com/articles/why-viabtc-rejects-segwit-soft-fork-in-favor-of-block-size-hard-fork%3A-interview-with-haipoDo you think that the Bitcoin Core development team should be fired?
I believe that the Bitcoin Core developers currently have too much power; there's no system of checks and balances for them.
They can decide to make massive changes to Bitcoin based on their own personal preferences, and then force those changes on to the users.