You may not realize it, but this is exactly how it works in the House of Representatives today, and is the exact cause of dysfunction.
If such a system was implemented in the US, it would force politicians to more carefully consider their positions -- no confidence votes and a motion to vacate serve the man functional purpose as a stick to get people in line, which might not otherwise be possible if they consistently took unpopular positions.
Nothing in your facile proposal would remedy this. What would fix the problem would be change to the rules so that simple majority could bring legislation to a vote. This does not exist in any functional way.
And we haven’t even touched on the fact that the majority of seats are often controlled by a minority of voters due to gerrymandering and the constitutional structure of the senate.
Glares in the direction of the Freedom Caucus, many of whom should have been expelled from Congress after 1/6
In addition, the shitshow that is the amendment process demonstrates that our representatives have long forgotten how to craft comprehensive legislation that has even a chance of addressing all potential concerns.
Again, if I had a magic wand for a day to fix Congress, I'd dissolve it and reconstitute the chambers as a parliament...but how exactly to do that is an argument for another day.
On a slightly more reasonable note, I’d be happy with just eliminating all state senates nationwide, similar to Nebraska.
Bicameralism is bullshit