That is exactly what I expressed to my representatives, they haven't thought SOPA/PIPA out. Hollywood said we need this, here's $$$ for all of you, please pass it, not one thought was given to the people/companies that will have to implement it. What about the costs to the ISP, time, new equipment, labor - you can't just blocking 1000's of sites/IPs without someone adding them, memory and processor power to store and process. What about all the ways it can easily be gotten around?
My senator stated he was worried about the substantial negative impact of online piracy. I suggested he should be more worried about the substantial negative impact Congress' spending is having on this country. Piracy won't stop from SOPA/PIPA, I'd bet it picks up if passed. Just like the war on drugs has done little to impact drug use/sales, SOPA/PIPA will have very little affect on piracy.
The clause in SOPA about endangering the public's health, was just to get the money and support of the pharmaceuticals behind the bill. This bill needs to go away, not be amended.