One idea some have suggested is to make the legislators of a state name electors in at least some instances. It was not possible in 2020, but it could hypothetically be made at some other point. Same with the primary elections.
But the 24th amendment states: Section 1. The right of citizens of the United States to vote in any primary or other election for President or Vice President, for electors for President or Vice President, or for Senator or Representative in Congress, shall not be denied or abridged by the United States or any State by reason of failure to pay any poll tax or other tax.
If the 24th amendment recognizes a right even if it doesn´t create that right, would not it have to be upheld in some manner?