Do whatever you like, as you will.
Unless you work toward getting someone who can be elected nominated in one of the two major parties, know that it is irrelevant, and I have no doubt you do know that. Your "libertarian", "green", "constitution", "conservative", "liberal" vote means precisely zero to how nominations get done, and who becomes elected in this country. No level-headed Republican strategist ever looks at such voters saying "what can we do to gain their vote" because there is no net gain by doing so.
This is precisely why I don't make any effort to sway such people. Bluster doesn't help. Working, as I've done for forty years now, to nominate and elect at least a marginally more conservative Republican can help change this country, and it has done more than all the libertarians or self-described "conservatives" combined have accomplished.
That doesn't seem to be working out for you very well, does it? In that entire 40 years, we've elected exactly one conservative to the White House. And a reasonable question for you would be, did you ever join in the group-think of the time that said Reagan was unelectable? And since Reagan, the trend hasn't been good at all. Maybe you should try something different. Just a thought.