Yes, the bio was a disapointment but I don’t think it’s the end of the world. The best critique I’ve seen was by John Siracusa, on the Hypercritical podcast (episodes 42 and 43.) There was none of this “bending over backwards” in order to meet conventional expectations.
Yes, Isaacson blew it. Steve was a rare idividual who merits a true “definitive” biography. He was unique but this wasn’t it. Here’s one reason why.