Agreed.
Let us grant that security mishandled the situation with his wife.
However, the police acted correctly when Monahan lost his temper. The show of force not only shut the window for those who might have been waiting to exploit a diversionary tactic; but it also prevented other passengers from causing problems.
Besides, the self-centered and whiny tone of this article leads me to believe that there was less to the provocation, and much more to his reaction, than he's letting on.