[notTooFarGone]

They are wasting their vote and actively vote against their interests by voting third-party.

This is a well established fact and the main reason why the voting system needs an overhaul to allow for ranked choice or something similar.

Chances of Duopoly parties doing that by their own are 0% - so it has to be the people.

[webninja]

No they’re not. If a third party gets 5% of the vote, they receive federal funding during the next election which could be enough to make them go mainstream. Also every vote is tallied so your vote is more visible when you vote for a 3rd party. Anonymously of course.