We just went to DL for the first time. We noticed a lot of rude behavior. I think it was because we went to DL during peak season and we've always gone to WDW in the off season.
There was a LOT of the "excuse me, I need to get to my group" cutting through the line. Enough that we commented on it. Since when is Disney okay with that?
We also noticed that many parents paid NO attention to their children. Either that or they just didn't care. I couldn't believe how many kids moved up through the line and stood with us. They weren't trying to cut - just wandering. And all the children that were climbing on everything! And I can't believe how many kids are just fascinated by the chains that create lines. Swinging, climbing, banging them. The poor CMs were constantly having to say something to people to keep the kids safe. I watched one boy (about 14) randomly unclip the chains separating the standby line from the fastpass line on BTMRR. He cackled everytime like it was some hilarious joke. His mother watched and said nothing.
My all time favorite "special" person (that is what we call the wonderful folks that don't have to follow rules) was the guy that walked up to a churro cart while there was a line of about 15 people. He just wanted sodas so he didn't need to wait in line, right? When the CM politely told him he would have to wait in the line he said, "SERIOUSLY?! FOR A SODA?!" in the nastiest tone. Then he tells the woman at the front of the line "You don't care if I go first, right." AND SHE LETS HIM!!!
As annoying as it was for other guests, I have to say I really got a new appreciation for the CMs - I can't imagine dealing with that crap all the time.
There were plenty of nice people, but it's amazing the behavior some people think is acceptable.