Snoof, you haven't learned Anerican history.
The Senate involved the States whereas the public was represented in the House.
The Senate protected State sovereignty and kept Federal government in check.
The State would not want a Senator representating them in the Senate and screwing the State in return.
The Senate is no longer answering the State government. It's a six year HoR.
The EC is the same issue.
The 13 States varied in size, population, and industry. Joining as a nation demanded the States remain as individual entities while resolved to be a union for all benefit.
Law enforcement professionals do not shoot at moving vehicles ... but, houses are a different story...