Mrs. McCain comes from a family where it is all about the clique of contacts. Mr. McCain comes from an insider inside the beltway military family line.
To them the GOP is just a clique, not a union of principles.
I agree about your assessment of the McCain family lines — I’d call it entitlement, elitism, populism.
If a party does not subscribe to any guiding principle(s), there is no reason for me to subscribe to a party.
Loyalty to that type of party is dangerous, IMO.