NYPD Plan to Check Bags is Moronic

I'm in favor of tight security measures, but the NYPD plan to check bags on subways will do absolutely nothing. It's a complete waste of time and money.

First, the NYPD will not be allowed to do any racial profiling. So - if granny has a walker and a large purse and a young Middle Eastern man has a suitcase, the police can not use its judgement to check the Middle Eastern man if it's not his "randomly selected" turn.

Secondly, if anyone doesn't want to be checked, they are free to "turn around and leave." Huh?
Note to terrorists: if you have a bomb in your bag and don't wish to be checked, turn around, leave and go into another subway stop to try again.

I know the government enjoys wasting our tax dollars, but I think I would rather flush my dollars directly down the toilet - at least I actually know where it will end up.