Not sure who 'they' is , but the French language ( such as it is) is not endangered - recent census figures show more people who's first language is French ( between census takings). I assume you were around during the FLQ crisis - I was - Trudeau had the support of most Canadians to invoke the WMA and in fact was asked to by Bourassa - and if the GG at the time did not agree he could have turned him down