It's a pretty big leap to throw away consciousness on the back of equal outcomes in psychotherapy. There are partial rejections of the Dodo bird verdict in your link.
The Cartesian theatre doesn't account for the mind's ability to imagine things that never were. As soon as you account for that via some emergent material property we have an opening to inject the properties of consciousness back into the discussion.
It's easy to say that the Big Five's cross-cultural statistical correlations are not good enough to describe people, though to dismiss it entirely off your grounding is not really going to work?
Repetition of natural structures is common. Many idealised aesthetic styles rely on that, like the Fibonacci spiral. Why would a fixed and repetitive uncertainty be any less terrifying that any other kind of uncertainty? We don't know what's before the big bang or what colour people really see in their mind when we say red.
