The Texas suit, later joined by other states, against Wisconsin, Pennsylvania, Michigan, and Georgia, was a nice try, but it was always a long shot. Of course SCOTUS would be reluctant to grab so much power by ordering state legislatures to seat the right electors. Why? Because the power is already in the hands of the legislatures to do this.
Though we are non-lawyers, let's read these laws together, interpreting them minimally and plainly (something lawyers seem incapable of doing). The first federal law for our purposes, titled "Determination of controversy as to appointment of electors," says ...
https://www.americanthinker.com/articles/2020/12/we_dont_need_scotus_to_win.html