My father told me stories about one of his clients who visited a Police station one day:
Client: I want a pie.
Policeman: I beg your pardon?
Client: I want a pie.
Policeman: This is a Police station, not a bakery. On your way!
The client then went out and set the Police station on fire. Burned it to the ground.
In court, he explained that all the trouble could have been avoided had his polite request for a pie been granted. This was his full understanding of the situation.
As you note, not everybody is blessed with a full set of marbles.
My father also intercepted a client who was about to blow up the Northern Club (one of those rich dude establishments- father's objection was that some elderly gentlemen lived there). The thwarted client then transferred his affections to the High Court and succeeded in blowing a satisfyingly large hole in it.
In case you can't tell, I had a fairly interesting childhood! ;-)
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1
