Re: Libertarian Robert Sarvis, who ran for Governor, now running for Senate.
Or maybe, just maybe, a lot of people tend to vote third party because that is where they lean ideologically. My friend votes Green because that's where he lies when the Democrat isn't left enough for him. I often vote Libertarian when I find myself agreeing more with the Libertarian candidate than the Republican candidate.
It's called being a rational voter. People often just don't throw away their vote that doesn't have any meaning.