I don't claim to speak for the OP, but I don't think the point of this list isn't to point the finger at the GoDaddy customers. Instead, it's a helpful reminder to those companies on the list that they still have some services being provided by GoDaddy, so that they can participate in the boycott of a company supporting SOPA.

Agreed on your second point. Raising awareness is a great step toward the ultimate goal of fighting SOPA. A mass exodus from a hugely successful supporter of SOPA seems like a good start to me.