It's definitely not a mature or logical response, but when someone provokes some kind of visceral reaction like that, it's a really huge first impression to overcome. Some people just have a really greasy or sleezy vibe about them, and the guy's voice and personality sets my teeth on edge.
Not meaning it literally, but it's a definite personality deficit that will impact his chances. Boring but competent is fine; aggravating as hell takes a lot of convincing to listen to. Maybe he's a great guy who knows what he's doing, but his actions and words really just reinforce that impression, so don't see that changing. Even just reading his points he comes across as a smarmy arshehole, and his points are frequently implausibly stupid or impractical.
An given how well JT did in beating Brazeau in boxing, I think he'd win both an actual fight and the personality appeal in a debate.
I just don't see a path to governance with PP at the helm, and don't see anyone being coordinated enough to have that as an intentional strategy. I think it's really more of a strong appeal to his echo chamber, which is increasing alienating long term Conservatives, and pushing swing voters away from the CPC. It's a straight up loser play, like dumping you high value players at the trade deadline.