"...if you read the court transcripts of his arguments you get the impression that you're dealing with a loony-tune."
Looney-tune or not, did he win the case? Underestimating a foe - thinking he's looney tune' is a great way to end up a loser.
Hope to see them posted online soon.
Keep in mind, though, that in a courtroom he is not dealing with your average person . . . he's dealing with twelve jurors who have been selected from a large pool of "average people" -- and the lawyers themselves were part of the selection process that reduced the pool from 100 or so down to 12.
You'd probably find that a typical "summation" or "closing argument" is aimed at someone with an eighth-grade education and an IQ of 85.