Give me a baby or small child any day rather than drunken, unacceptable behaviour. Like most, I've been on aircraft close to babies and young children and I've taken my own young children on flights. I must admit on a flight to Canada, my heart did sink a little, when right opposite us were a couple with a baby and a toddler. The parents were brilliant though, amusing and talking quietly to the toddler, taking it in turns looking after the baby, keeping it swaddled all the time. Hardly a peep out of them, I did wonder if it was a cultural thing, they were Indian and possibly more adept at coping, but they could have given a masterclass on how to look after small children and babies on a long haul.
Yes I've been around screaming babies/toddlers on a plane, I sympathise often when the plane is on its ascent or descent, and their ears are painful. When ours were younger and we were doing a long haul to America, we often flew Virgin who supplied colouring books and crayons, plus other goody bags for their amusement, the worst thing that happened with one of ours, when our plane was circling, which seemed endless, coming into land at JFK, son no 2 projectile vomited everywhere, it was very difficult to clean him up afterwards
but apart from that and a bit of ear trouble as mentioned up thread, they were pretty good, as are most children on flights, or maybe I've been lucky.
I would hate!, hate! to be on a flight with drunken badly behaved people I don't enjoy flying at the best of times. My, friend, years ago had to put up with a load of well oiled yobbos young men mooning in the middle of the isle 
I also remember a drunken man being put off the plane on a scheduled stop in India from Singapore to London, not too close to us, but we could still hear him shouting and swearing at the crew.