

Credentials sure, but Cass has also been found to follow anti Trans groups, threw out any positive study that wasn’t blind (which would have been unethical to run) and the report itself was influenced by a similar report originally done in Florida under Ron DeSantis. This is a biased report that started with a conclusion and ignored any evidence that disagreed.
Quick version: Being a centre (centre right) party, the liberals make nods to leftist ideas but don’t actually change the laws because it’s very expensive if you don’t tax the rich. So everything stays status quo while they say it’s going great.
On top of that, far right people hate Trudeau a lot.