Really? You have no idea? It's pretty simple really, when you have one bag of hot air running the country for almost a decade, people are going to be open to any alternative even if it's an objectively stupider and more dangerous bag of hot air.
I consider myself a progressive and was happy when Trudeau kicked Harper out, but lately it almost feels like his party is trying to make the cons seem like the better option (which again, they objectively aren't).