...I think perhaps Luigi hurt his back (reported in news) and got involved with pain killers. This pushed him over the edge. Not that he was very far from the edge to begin with. I think the correct psychological term is "Batshit crazy". Don't try to pull that term up on google. It brings up a pic of zz.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!