Pro 1) It keeps smaller states relevant in national politics
Pro 2) It provides a clean, widely accepted ending to the election (most of the time).
Pro 3 It makes it easier for candidates to campaign.
Con 1) It can make people feel like their votes don’t matter.
Con 2) It gives too much power to swing states.
Con 3) It can clash with the popular vote.
Con 4) There remains the possibility of “rogue electors.”