That’s what Utah plans to do but there is currently a federal law that prohibits the use of permanent DST. Utah, California, and a couple other states have asked the federal government to change that law and I believe there are plans to consider it soon.

Utah has passed a law that makes DST permanent as soon as the federal law is removed.

Edit: On further review, this seems to have died in committee.

https://www.congress.gov/bill/115th-congress/house-bill/6331...

Florida passed theirs. Other states too but I don't recall which.

This is the worst option. Since we started caring about time, "noon" has meant "when the sun is straight overhead". Unless there's a parallel push to change noon to 1PM (and midnight to 1AM), I'd fight that tooth and nail.

Correct me if I'm wrong but actual "high noon" and 12pm don't currently line up except for a couple days a year, do they?

Sure, but not by a huge amount, and less than an hour.

Time zones themselves mean that "solar noon" is rounded anyway, but they at least try to roughly go along with it.