Earlier quoted context omitted.
so are people who claim placebos and homeopathy improved their conditions, we are not reliable on an individual level
No placebo can let him "do things like play Mario Kart, control his television, and turn his Dyson air purifier on and off without physically moving his fingers or any other part of his body." Given that there are objective changes, it is not unreasonable to believe his claim that he is satisfied or has benefitted from them.
no before/after video, no third party report, there's nothing here but puffery... half the article goes on to promote robots