I actually think they did hurt themselves here: I now have to say to clients who I'd otherwise push towards their cloud services:

"If you get a national politician unhappy with your product, they do have a history of pulling the plug on people, see wikileaks".

While that's not a boycott, that is a move from a strong buy to a "consider other options if you have any chance of pissing someone off".

I do think Joe Liberman single handedly handed cloud computing to non-american countries though with his stunt. Why base your cloud here when your company gets better data protection in :insert jurisdiction which doesn't give a crap about Joe Liberman's threats: