I haven't seen anyone else comment that this whole thing is just a friggin' PR piece from Twiki. And before all you 19-year-olds-fresh-out-of-logic-101 scream "ad hominem!", let me remind you that in the real world you should always consider the source.

I'm not about to defend Java, but what a lot of the Ruby newbies are too young to know is that we had a dynamic language in the enterprise. It was called Visual Basic - you just declared everything "Variant". The result was a bunch of god-awful messes.

Personally, I like flavors of Lisp. But I don't know that I'd prescribe it for the IT department at Wells Fargo.