Not sure if they were tied up with the tall ships, didn't see anymore police than should be at an event like that but I visited a girl and it just felt like normal. No police about, no one lurking the streets watching for people visiting girls for 30 mins etc.....
As has been mentioned the law is unenforceable and if the psni where dead against it as well as David Ford, the justice minister from what I understand, then they will priorities the already under resourced psnis jobs.
Holding on to anger is like drinking poison and expecting the other person to die