The recent glorification by the left of the warmongering/neocon/evil to the core segment of the GOP simply because they oppose Trump is pathetic.
I always had a relatively high opinion of John McCain.
This goes back to his opposition to some of George W. Bush's policies though... like his opposition to torture.
Foreign policy-wise, McCain is indeed way too much of a hawk for my taste. This is why I wouldn't want to see him as president.
Still, he was probably the most decent man the Republicans nominated for president in the past 20 years.