From what I have read, I don't think Chris thinks one foul or two foul is right or wrong. He has only played with the one foul rules, and is a smart gambler, so why would he want to play by rules no one uses anymore? He maximizes his ROI by becoming good at the rules most people want to use when gambling with him.
You totally missed my point, re; Bartrum !.. (what does 'ROI' mean ?)