Open and tolerant people wait for the facts to be presented before judging another human being.

I suspect that the perp will turn out to have a mental illness that was left to fester due to the lack of mental health services in Quebec.

From what I've been reading, he was bullied since a young age. As someone who likes to tell Canadians that he understands and is sympathetic to mental illness, Trudeau knows, or should know this.

Judging this to be a terrorist attack against all Canadians is therefore  grandstanding.