Paypal Stupidity - Email Bugs Galore

Over the last couple of weeks Paypal have made a number of changes to their emails. In what has to be the dumbest move by a company of their calibre they have started embedding Javascript in their emails!! The Javascript is obviously part of their web analytics being provided by DoubleClick, but why they think that any sane person will even be able to view their emails is another thing. I'd love to hear their rationale... or maybe I wouldn't ...