Burglars Can't Be Choosers - Lawrence Block

There is a certain paradox with the title of the most recent book by Lawrence Block that I have read as I believe that burglars can in fact be quite choosey. To be successful in their chosen profession I assume that they must pick carefully which target would reap the largest rewards for the smallest risk. However, perhaps Block is commenting on the substance abuse that many thieves suffer from which forces them to rob so that they can get their next fix? Or maybe I am looking far too deeply into the title and Block just thought it sounded good? Bernie Rhodenbarr has been a burglar all his career and it is the only thing that he knows. So when he is ...