I hate forgetting my headphones. The Skull candy headphones work well to block out noise. I'm with the guys who say it's ok. Obviously you have to pay attention to your surroundings, but you do anyway being as some equipment (ZTRs, WBs, backpack blowers, etc....) is so loud you can't hear what's going on anyway. The problem that I could see is if you have a guy (or girl) who is constantly fiddling with their iphone/ipod/mp3 changing songs and what not.
What if the hokey pokey really IS what it's all about?!