If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
If continuing the discussion becomes impractical, that means you win at open threads; a celebratory top-level post on the topic is traditional.
You don't need to reject CCC without reductionism to defeat his argument. His argument is "If CCC is true, reductionism is false"
That's not a reason to reject reductionism, unless you have better reason to hold to CCC than to reductionism.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
If continuing the discussion becomes impractical, that means you win at open threads; a celebratory top-level post on the topic is traditional.