I read it as a person who generally has a good track record and who build a reputation with being right when he makes these kind of claims.
Maybe someone who already has done this intervention a few times and who uses the principles of http://lesswrong.com/r/discussion/lw/oe0/predictionbased_medicine_pbm/ and can tell you that with 90% credence you will afterwards say that he radically changed your mind.
I read it as a person who generally has a good track record and who build a reputation with being right when he makes these kind of claims.
Maybe someone who already has done this intervention a few times and who uses the principles of http://lesswrong.com/r/discussion/lw/oe0/predictionbased_medicine_pbm/ and can tell you that with 90% credence you will afterwards say that he radically changed your mind.