There's grandma falling for a tech support scam, and then there's heads of billion dollar investment funds falling for business scams and a personality cult.

One of these can reasonably be assumed to not be at fault. Masayoshi Son at least had the grace to admit it (indirectly) and try to turn things around.

They were no artists. The investors money made them artists. I presume both neumann and holmes believed in fake it till you make it, build it and they will come, 10000 hours etc. Holmes turned to a con artist when the thing simply failed to work. Wework didnt get to that stage even.

How do you arrive at that conclusion in light of his grievances with Holmes/Theranos? Seems pretty obvious that he is distinguishing between the degree of damage between different scams, believing it is worse to harm low or middle class sick people (with their inherent lack of safety nets) than wealthy investors. Whether or not you or I agree with this assessment, we should be able to distinguish between that point and your interpretation.