Shifting the opinion of normal voters probably won't matter; they tend to have strong, pre-existing loyalties and SOPA is unlikely to change them. But motivatin

Shifting the opinion of normal voters probably won't matter; they tend to have strong, pre-existing loyalties and SOPA is unlikely to change them. But motivating a group that tends not to vote completely upsets the balance of power in the US even if its still just a minority of that group.