Your rants are always the best Bill!
On a serious note, I don't even bother with the slash like you did. I suppose if a crawler came around like, for example, Conjavabot, which I just made up, they'd be banned under my rules. So perhaps for those webmasters who prefer a more conservative approach your pattern is a better example than mine.
Then again mine will catch these nasty and persistent little user agents so maybe it's not so bad after all:
Java(TM) 2 Runtime Environment
JPluck/2.0.9 (Java 1.4.2_03; Windows XP)