Originally Posted by jackvogt

Often if you wear your badge, you can go threw the crew member security instead of regular. Also, if you are flying standby or whatever, it's much easier to identify yourself as a Delta employee with your badge. I have seen this ALL the time, on multiple airlines so this isn't out of place at all. That being said, if they're not in uniform, they can do whatever they want within reason. If they want to drink, there is nothing to stop them unless they drink to excess is there a problem. I seriously don't understand why this is even an issue. I think the OP has too much time on their hands.