Yeah, I hear you on that. All of the "if we..." and 'But they...." gets old no matter which party holds the presidency.
(warning-I hate sports analogies, but here goes) They could both take a lesson from the world of sports. When you get your ass whooped, Don't whine. Go back and get better. Sharpen what ever skills need sharpened, change out the staff s that needs changed and come back stronger next time.
All of this whining by conservatives about Trump taking the nomination obscures the fact that there is a whole field of losers that they are protecting and rationalizing a loss for.