While this is a worrying number, it isn't significant. Last I heard, Quebec separatists numbered greater than this by a lot.
25% means nothing in practical terms, but it is enough that such ideas need to be dissuaded from spreading, and frankly the best way is to find a way to push public spending in Alberta. Federal funding towards such an initiative that can't be embezzled or cheated would be nice, though it's hard to think of something that can't be diverted considering how slimy their premier is.