SOPA and PIPA only allow the government to take down websites without going through a long legal process. It took a long legal process to shut down Megaupload, which did some questionable things, but the screwed up thing is that there's no doubt it was funded by UMG, who had a scuffle with Megaupload around a month ago.
Also,
here is a very related tweet (It's sarcasm)