1. "I think what he's saying is that if Harper did the same thing, people would be all upset. But if Trudeau does it, it's fine. See the problem?" - this seems very similar to trump excusers, where someone else has to explain what trump really means even if it isn't what he said.
2. You make my point: Trudeau is more popular than harper. That's why there are less people criticising JT.
3. Conservatives don't get anything even vaguely humorous.