Its also very likely the machines are being run on Linux boxes. Should Linus being losing sleep knowing he aided the NSA in this? Even the very database this system runs on may be an offshoot of the Google BigTable paper. Should Google have never opens sourced the software that eventually became HBase/Hadoop/Cassandra because of the NSA?

A tool is a tool. I don't think Henry Ford should feel guilty for enabling people to kidnap children with greater speed.