> because a typical follow-up discussion usually starts with "so where's the popular vote?" and this diminishes the principle of fair representation of smaller states of the federal republic.

Oh wow, so that's why this is seen as a left/right thing?

I'm not from the US (and therefore way left for the US) and I think assuring representation of the less populous states is very important.

I think the first-past-the-post voting system used in the US is a much bigger problem than this.