The "current election system", in the US, is not one single system. It is much closer to 50 separate systems with their own differences that range from quirks to wildly different fundamentals.

You can't make blanket statements about "the current election system" in the US because of this; you're going to have to talk about things in more specifics, or people in states with well-designed systems are just going to keep popping up explaining why their system genuinely is good.