This was not exactly as it seemed. I only know of one pilot in this case from a private group (don't know if the others were the same) who was charged but they weren't charged with violating the no fly zone - they were charged with flying in...
Apparently this isn't true. Head of the rpas program at Transport Canada clarified in an email to the head of DPAC (drone pilot association canada)that if it is over 250g it is not a microdrone.