Portrays the other parties as all rainbows and kittens. Particularly that libertarians would be about fighting climate change, which they would not be in any vaguely effective way.

However, I’ll grant that ranked choice voting would be an excellent way for people to feel better about their vote, be pragmatic, and one day lead to more viable “parties” (though not immediately, the third parties are a self fulfilling prophecy of unlikely candidates to most voters)