Everything freedom loving Conservatives have banned Canadians from doing in recent years
(www.thebeaverton.com)
No catch, but some people don't like that it affects women who wear hijabs.
Frankly, I'm not even Quebecois and I agree with the law. If you're going for your driver's test and you're obviously gay, you're going to feel pretty nervous if your tester is wearing some fundie garb, whether it's a hijab or a cross around their neck. Worse still if you're going to apply for welfare.