Not sure if you know this or not but todays pirates do not harm
Take a look at all the pirates of the Caribbean movies (noted that most are already dead, but they keep coming back for another movie
I have been out with 3 adults and 1 child out in Port Phillip Bay, the coast guard have past us a few times (I think they were checking to see we had PFD's on!); waved and moved on.
I think it is like when you are in the car; if you don't wear your seatbelt you will be pulled over and checked out. If you are doing the right thing they will just pass you by, so they will bever be able to read the lable