Maybe we could activate segwit, implement Schnorr sigs, stop worrying about O(n^2) attacks, and enjoy the other benefits like Lightning, tree multisignature, fungibility, etc.
/common sense
You keep missing the point where
~70% of the miners are refusing segwit.

Segwit Centralized sha256 is dead in the water. Time to move on.

Fixed your broken point to make it more reasonable and actionable.