Too late for them to pivot, far too late. They can't change anything without losing the base. And the current state of the GOP isn't about to be trusted by any new voters they might hope to attract.
Me and my fiancée had the conversation the other night that it feels like if the GOP wins a supermajority, there'll be acetal fucking blood in the streets.
The best part is they knew. In 2016 they knew exactly what effect trump would have and after he won they shut up and fell into line and helped it happen.
Watching the crows come home to roost has been cathartic.
The GOP can't be called dead while it still controls the House and a majority of Statehouses. They might not have actually published a platform in 2020, but whatever it is they stand for still appeals to certain voters, even if their actions are against those same voters' best interests.