This is nonsense. Any evidence to support it?
What a gross generalization! Here, in Calgary, the drivers always yield the right to the pedestrians. Oh, you are talking about Montreal. So what can you expect for Canucks? Lots of French are known to be rude.
The concise comparison between US and Canada is: Canada is a socialism while US a captalism. People in the states definitely can enjoy materialism unparalleled by other countries (Europe is a communism, BTW). But you can see ghettos in all American cities, which is unbelievable in Canada.