It also happened on 9/11 - the plane that went down in Shanksville PA didn't make it to its target because the passengers heard about the other three planes and didn't care to run into a building at high speed.

https://en.wikipedia.org/wiki/United_Airlines_Flight_93

Yeah, I knew about that particular example, but I felt that the parent could have argued that it was a special case because they had foreknowledge of what was happening, whereas these other cases they took initiative. In any case, you are completely correct.