However, I disagree with your claim that “third parties just help the Democrats.”
When has a 3rd Party candidate ever helped a Republican?
When has the “protest vote” EVER “sent a message” that made a POSITIVE difference for Conservatives?
The third party isn't "taking my vote away" from the liberal Republican candidate (as if he were entitled to it somehow), it's giving me an opportunity to vote for somebody who actually represents my views when the only other alternative is staying home.
Blaming third parties for their losses is just the RNC's way of failing to own up to the fact that they have consistently been running lousy candidates in the general elections since 1988.