"Useful idiots" is the perfect description for any hackers who think they can change things by DDoS attacks and taking down web sites.
Would a dictator really step down if his country couldn't access internet? Of course not, he might be a little pissed off that he can't update his facebook page, but that's where it ends. These guys cause inconvenience moreso for the people they are supposedly "fighting" for.
The only change they will accomplish is getting restrictions placed on all of us, on what we can do online. They will ruin it for all of us, because they think they can run a "revolution" on script kiddie tactics developed by bored 10 year olds on aol in the 90's.