The Johnson 7% is another clue the poll is garbage.
If he gets more than 2% in PA I would be stunned.
Meme: Polling malpractice
I think many more people are looking for outsiders this year. It explains some of Trumps popularity as hes not a politician but also 3rd party strength. I do think 7% is a bit much but between them 5-6% is reasonable and is in line with nationwide samples.