Eliminating time zones doesn’t make scheduling meetings easier it just changes the language. Instead of figuring out what time it is elsewhere you have to remember what normal working hours are, Europe, US, and Japan aren’t all going to be available 9-5 UTC. It’s just as easy to suggest a meeting at functionally midnight without time zones.
Really what needs to happen is removing the 100 year old cap on the size of the house. 800 reps would drastically change both presidential elections and representation of people in general. Using 800 reps puts California at 96 members to Wyoming still having 1.