If John McCain wins the nomination he is at the helm of the party and controls its destiny. You really think Ron Paul is going to have any influence or power after that happens. He will be effectively shut out just like Bush shut out the values of the Buchanan brigades.
Look, the whole system is rigged, so it MUST BE re-evaluated by people with good conscious. If you POSSESS good conscious, then you MUST re-evaluate the system, or live as a hypocrite. The system only subverts because we allow it to. These truths are self-evident.