Voting third party in a first past the post system with only 2 dominant parties not only throws away your vote. If your preference is Third party Harris Trump you are actually helping Trump win when you vote third party instead of the person who actually has a chance.
With 2 parties supporting the other is the only way that you oppose the one.
The only way that you effectively oppose the other
You can always vote third party if you want to pay lip service while helping the candidate you dislike
Voting third party in a first past the post system with only 2 dominant parties not only throws away your vote. If your preference is Third party Harris Trump you are actually helping Trump win when you vote third party instead of the person who actually has a chance.