Bigger annoyance then cell phones on airlines (Score 1)

For me as a frequent traveller to and from touristic zones (Caribbean & Central America) the most annoying thing are tourists. "Awww honey, look at the rainforest, we HAVE to go and see it... !", and I wake up, very heated. I will prefer listening to some jerk lawyer or a businessman over that any time of the day because there is much more interesting stuff going on, I may even learn something.