I would argue that point, considering what party destroys things and has for over forty years. The party is not irrelevant. They embody liberalism. They applaud liberalism, and they are now pushing liberalism on America. The Republican Party never sought to destroy the greatest country in the world by enslaving the citizens within it.
Case in point: Romney would enact laws prohibiting employers from discriminating against open homosexuality in the workplace; he would engage in crippling enterprise, production, and the economy in the name of "saving" the environment. He would give the government power over the private health insurance decisions of, and relationships between, individuals, their employers, insurance companies, and medical professionals.
The destruction doesn't originate in the party label. It originates in those who advocate finding solutions through bigger, more intrusive government at the expense of individual freedom. This is why third party advocates are so mistaken -- the solution isn't to attack any party; it's to attack BIG GOVERNMENT LIBERALS, and while it is true that they dominate the Democrat party, they are also very much in evidence in the Republican party. It is wrong to think that rejecting the Republican party would provide a solution; the solution lies in rejecting LIBERALS within the Republican party as well as those in the Democrat party.
Indeed, I maintain that it is considerably more urgent to reject them in the Republican party than it is to reject them in the Democrat party. Liberalism in the Democrat party is zero threat to the Republican party; liberalism in the Republican party threatens the very freedom and prosperity of the nation because it sabotages the Republican party's future as a bastion against big government liberalism.