Q u need ask - 99% coin reward is mined - fight for reward makes no sense even if price is big
what n why motivation of hashing in BTC chain and not in other chains from fiat profit motive?
becos industrical  miners DONOT CARE  about bitcoin - they wanna covert wasted ENERGY BP ARAMCO TOTAL -> tangible FIAT PROFIT 

 HASH CAN REDUCE but should NEVER  FALL to make it easy of other large miners to 51% attack - provided people are still 905 coin ONCHAIN and not converted to ETF