For what it's worth, he has dumped several files, including the ME firmware, which have all been found to be clean by experts.
https://twitter.com/esizkur/status/389226368514289664
https://twitter.com/0x0000EBFE/status/394216393282830336
He doesn't even have a way to test whether or not a machine is "infected". He claims that it's based on problems booting from a CD and/or hearing audio interference. Extremely dubious.