As a Democrat, I feel there is way too much Outrage over all kinds of relatively minor things. If you read a site like Daily Kos and see all the action going on there, it would seem that any successful legislator would have to necessarily build a tolerance to negative emails/letters/calls.
There are not, however, many issues that cause a large corporate donor to beg for mercy and forgiveness for taking a certain position. I think this action towards GoDaddy matters quite a bit in separating SOPA as something that really, truly angers people.