They are following antiquated doctrines from extremist and dangerous fringe ideologies like Evangelicalism and Dominionism in an unprecedented power grab by a minority party.
1. There are 10s of millions of Evangelicals in the US, hardly "fringe".
2. "Dominionism" isn't a thing. It's the name given to Christian Reconstructionists by someone opposed to them. CRs are a very small fringe who believe the Law of Moses should be followed by the US, aside from dietary and sacrifices laws. Other than that small group, no one is advocating that, and there are no USSC rulings establishing that, fully or partially.
3. Each USSC Justice who voted for rulings DUpipo hate was nominated by a President elected by a majority of the states and confirmed by a majority of US Senators, i.e.
the majorities that matter.