It also shows just how powerful the blackout is. I much rather these people asking what's going on, then going on with their day in ignorance. Maybe a few hundred will learn what's up and phone their representative.
Half of them seem to be angry at Wikipedia for taking away their free reference material the day before their papers are due, rather than angry at the government for putting a lot of time and money into destroying the internet.
There's only one sentence at the end of the paragraph explaining why: "For 24 hours, to raise awareness, we are blacking out Wikipedia. Learn More"
The more page has a very detailed explanation in a FAQ format, but noones going to read this much text to figure it out: http://en.wikipedia.org/wiki/Wikipedia:SOPA_initiative/Learn...
Here's a saner stream of tweets: https://twitter.com/#!/search?q=%23wikipediablackout