It matters immensely because in modern times people have become grossly naive as to what happens when a nation becomes sufficiently divided. Imagine some change

It matters immensely because in modern times people have become grossly naive as to what happens when a nation becomes sufficiently divided. Imagine some change to the system was created such that one party, or the other, could effectively permanently maintain absolute power. It's not like the other ~half of the country is just going to go 'Wellp, I guess this is just the way it is now. I completely surrender.' No, the end result is invariably violence. That is the reason the Senate is designed how it is. People will get a voice in the House, and states get a voice in the Senate. In fact it wasn't even until the 20th century with the 17 (IIRC) amendment that Senators were even openly elected - previously they were s(elected) by state legislatures. The entire Constitution is written to create a system where people can loathe each other yet still manage to stay under the same flag. And it turned some backwater outposts into perhaps the greatest empire in history, all in a ridiculously brief period of time. So clearly there was more than a bit of wisdom in its construction.