I have heard the odd anecdote that reflects that practice, but I think coast to coast to coast, where I've been, first nations have posted their statements on a website that's password-protected, just for their members. I think there are always outliers in these sorts of situations, but these are democratically elected chiefs and councils. If people don't like their practices, they can vote them out.
On May 5th, 2016. See this statement in context.