We're told we have no culture or identity and that our history is racist so it's natural to not feel patriotic
It's twisted and warped progressive social conditioning. Don't buy into it. Don't forget what Canadians did to earn Canada's independence.
I can see why your grandfather hated Pierre Trudeau.
https://www.macleans.ca/news/canada/nothing-to-write-home-about/
Tilting the system toward family reunification and away from skilled workers diminished the economic benefits that had traditionally come with immigration. But it maximized the political benefits to Trudeau. This endeared many existing immigrant communities to the Liberals and encouraged wide swaths of new Canadians to vote for Trudeau when the time came.
The one or two Muslims you know is not the problem. You have to view Islam like an organism. It fucks shit up when it grows too big.