The bizarre effects of the electoral college on political behavior. https://en.wikipedia.org/wiki/United_States_presidential_election,_2004#/media/File:2004CampaignAttention.png …pic.twitter.com/eJUtaM6cD8
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Being precise is difficult even w 280 chars! :). But are you sure EC is pointless w/o FPTP? A vote in Delaware or Wyoming is still worth almost 3 votes in CA, NY or TX.
EC is not needed for using non-unity vote weights. UK also has FPTP but doesn't have anything EC-equivalent. But you are right, if the states switched to PR for their EC votes, the issue seen in the map would mostly vanish.