I mean if you just control your borders you dont need government investment and support. This is the backwards way of creating tariffs. The problem is that it is asymmentric. A larger country can do that way better than a smaller. Aka they could make their product cost zero if they really want.

I hate to say it but the boondoggles of Canada are just graft. These arent investments in any real sense.

As for this line 'Unfortunately this is the very difficult place the manufacturing sector in Canada finds itself in. And the Canadian working class as a whole.'

look this is just neoliberalism. Maybe stop doing that and things will suck less.