Changing _Classic's POW is an excellent suggestion (which I've also previously made), and not only (or mainly) as a way to prevent/delay a repeat of the current situation where a handful of giant miners can credibly threaten to back contentious hard forks.

If _Classic wanted a clean break from Core, changing POW at the same time as the first (potentially) >1MB _ClassicBlock is the right way to do it.

Then there would be no Gavincoin Toomincoin Short fork war missile crisis to worry about, and users don't have to fear ToominTaint ruining their Core coins.

Lukejr wants Keccak, and I suggested an extra round of SHA256.  Keccak would make current ASICs useless, SHA256^3 would not.

But that doesn't matter, because by rejecting the entirely logical 'change POW' proposition _Classic has shown their hand.

_Classic is not a technologically driven project.  Changing 1MB to 2MB is only a trivial TPS increase, which SegWit will approximate.

_Classic is a politically motivated governance coup, which risks (or arguably entails) catastrophic consensus failure just to satisfy the egos of the Get Thermos Kill Blockstream Emasculate Mircea Destroy Core malcontents.