I don't think brainwashed it the right term, although its not far off. The math comparison was pretty ludicrous as well. To say that you are 14/15 and because you feel a certain way now you will never change your mind is na?ve. Swearing in certain circumstances (such as in front of the director of your company) is just plain stupid. I try to cut down in front of my children but I haven't cut it out all together. I think there are far more important things to focus on. If you raise them right then no amount of swearing is going to affect them that badly.
