Who does? If you really think that wasting your vote on a candidate who has absolutely no chance is being fearless (or wise), then feel free to join those Perot voters who boldly stood up and were counted ... for Bill Clinton.
One needn't fear Hillary or any candidate in order to recognize that a less than ideal victory is preferable to a glorious defeat.
What if I don't agree with any of the premises in your argument?
I think those Perot voters were counted for Perot, not Clinton.
How do you know that having the Lizard Queen as empress would be worse than having Rudi? Maybe the Congress would fight her and nothing would get done. And I also believe the decline and fall of the American democracy (All hail the great god Democracy!) is pretty much inevitable. The republic is already dead.
It doesn't really matter, because no matter how much I know Cthulu could beat Her Scaliness, we will have a reptilesbian overlordess.