Personally, it would have hurt my opinion of her had she endorsed Hayworth ... and I say this under the understanding that Hayworth is the better candidate.
Among Palin’s biggest selling points is that she is, or at least appears to be, a genuinely good person. Why would I expect a person that backstabbed her former running-mate to do any less to her constituents?
Her endorsement was the correct one ... and is noncontroversial to most people.
SnakeDoc
Yes she is being loyal to him. But folks think what the media would do if she didn’t back McCain? They would love it and it would be yet another media slam fest. she is just playing politics.