This seems totally ridiculous to me. Does anyone who comes to HN support SOPA? The advantage of companies like Facebook, Google and Amazon going black is that

This seems totally ridiculous to me. Does anyone who comes to HN support SOPA? The advantage of companies like Facebook, Google and Amazon going black is that lots of people who have never heard of SOPA could be educated and asked to pressure congress. What's the possible effect of HN going black?