Answer to both: no. So maybe we should use other factors to decide!

It’s only worthless if it’s third party, sadly.

I love getting downvotes for just understanding the law.

Oh sick is Trump campaigning on that??

It’s not just shunned, it’s literally throwing your vote away. Voting laws in the US, including the electoral college, mean that it is literally impossible for a third party to win the presidential election. We need ranked choice or other alternative voting methods, and the EC needs to go away.