The higher the mass immigration the better to replace Canadians. Businesses can hire only immigrants, no Canadian born, housing would exclusively be for immigrants, nobody born in Canada allowed, and that will start to push out Canadians and bring in more good people to live in Canada.
That’s why Elon can vote in Canadian federal elections and allowed to make public political statements during a Canadian campaign for influence in the same way that any Canadian can push for any political party, so can Elon.