Rand Paul is not a Republican and he's not a conservative. He's a cultist libertarian who claims to be for limited government while opposing any achievable progress toward it. In other words, he's a fraud.
McCain is detestable, but let's not let another Republican protector of ObamaCare off the hook
Conservatives are well aware of what John McCain is: A media suckup who long ago abandoned any commitment to conservative policy ideas, and who - if he has any loyalty to anything these days - is loyal to the Beltway establishment and its norms and traditions, not to the needs of the American people and certainly not to conservative principles.
Conservatives are well aware of what Susan Collins and Lisa Murkowskis are: Liberals who masquerade as Republicans when they run for re-election.