Criminal complaints are brought by the USDOJ USAG (US Attorney General). What US Attorney is going to indict for the theft of pornographer's intellectual property? Never going to happen even if this proposed statue somehow becomes law ( unlikely).

This statute is not tort law (civil code) and you cannot prosecute a criminal statute in a civil suit -- that right is the government's prerogative.

This whole debate on SOPA is a tempest in a teapot.