This is why family shouldn't travel for road games. Remember what happened to Jason Kidd's family here in Boston? Granted Jason had just been arrested for beating his wife so the jeers were more directed at him, but if you remember they stopped coming to games in Boston and none of us felt bad. I Still don't, if you come to other team's arenas, don't expect to not hear things you don't like (Especially if your son TJ is one of the most bizarre looking children I have ever seen and the TV broadcast is constantly showing him and saying how cute he is, I mean the kid had a freaking mustache! A baby with a mustache?! There is something seriously wrong with that, and it sure as hell ain't cute.)
I myself do not taunt other fans, I see no point in it, but I do not begrudge those who do. We all always say that the garden needs to step up and push the team, well if it becomes known that Boston is a soft game to go to where you can feel comfortable, then you are opening the flood gates for opposing fans. I like the idea of other teams fans not feeling comfortable at the Garden, I don't want them there, especially in the playoffs. Do not expect to walk in with a Lebaby James jersey and not be ridiculed for the entire game, you knew it was going to happen, you deserve it. Whenever I have gone to a game to support the away team I expect and accept any and all abuse I get, in fact I would have less respect for the fans if they did not.
However, I do draw the line at physical contact, and it's always better to avoid mean spirited aggressive taunting, keep it funny and keep it about the game.