I usually understand the man.
When I don't...the references he is reaching for are probably too obscure for me to either know, or keep up with.
It's not that he was "dropped on his head" but more you may not know what he's talking about. I've seen more than few short quips that would drive to the heart of a matter, or reveal the holes in antagonists reasonings.
It can include past conversations here on FR, in light of whatever it is that is going on at a more present moment.
Mix in lots of exposure of some of the worst of the error and excess of Mormonism in days gone by, and there you go. A skeleton key which can unlock many doors.
“It’s not that he was “dropped on his head” but more you may not know what he’s talking about.”
Or maybe that he himself doesn’t know what he’s talking about. The one think that you take away from reading his drivel is that he hates Mormons. Guess they may have excommunicated him.