It would save them a heck of a lot of work, if they were planning on doing any.
Reminds me of a great legalization argument I heard from I guy I used to paint houses with during summers while I was a college student.
He said: "If you worked at a 7-11 at 2:00am, would you rather have a drunk coming in and f#%king with you, a crackhead coming in and robbing you, or a pothead coming in to buy some Twinkies?