Workplace training isn’t completely dead. It’s mainly used as a cudgel for the “no-compete” clause. Aptitude testing is associated with the post office and other civil-servicey institutions. I think the assumption is that people who think there should be situations in which a high test score can be rewarded with an actual J.O.B. offer are precisely the type of people likely to go postal. Hence personality testing.
I’m a big fan of your blog, even though it’s on LiveJournal…