I wonder if the other crew members will share some of the responsibility. If the van driver noticed, then I highly doubt the others didn't. I wonder where you would draw the line especially when you like your fellow crew. Like the above poster said, we really don't need this kind of publicity. No wonder management thinks they can get away treating us however they want since a few of us behaving certain ways that gives the rest of us a bad stereotype. Most of the pilots I've met or worked with are real professionals and awesome people.
I feel bad and all for another pilot to work so hard to get here and just throw it away, but I rather see him/her in another field than to ever fly with that person or even worse be commuting in the back.