Remember UASF? If incentives align amongst users, nodes, merchants and exchanges Bitcoin absolutely will switch to another mining algorithm and now the attacker

Remember UASF? If incentives align amongst users, nodes, merchants and exchanges Bitcoin absolutely will switch to another mining algorithm and now the attacker has to start from 0. If the attacker attempts to keep up the game of cat-and-mouse long enough they will eventually go bankrupt and will no longer be able to participate. And this theoretical discussion completely dismisses the fact that it's nearly impossible to execute an attack like this at this stage in the game anyway.