It's effective because it gets the word out more than any other action could. Period. The problem is most people don't even realize SOPA's threatening the internet right now.

And anyone who's heard of SOPA already except a industry/congressman is probably against SOPA, and anyone who hasn't heard of SOPA aside from the Google blackout would be unlikely to hear the suspect Google motive news.

So, Con: People who are already Pro-SOPA have one little complaint to add to their little list Pro: The entire internet population becomes aware of SOPA and realizes that sh*t is real.

I didn't vote you down, but here's your counter argument.