When Jack Welch died on March 1, 2020, tributes poured in for the longtime chief executive of General Electric, whom many revered as the greatest chief executive of all time.David Zaslav, the C.E.O. of Warner Bros. Discovery and a Welch disciple, remembered him as an almost godlike figure. “Jack set the path. He saw the whole world. He was above the whole world,” Mr. Zaslav said. “What he created at G.E. became the way companies now operate.”Mr. Zaslav’s words were meant as unequivocal praise. During Mr. Welch’s two decades in power — from 1981 to 2001 — he turned G.E. into the most valuable company in the world, groomed a flock of protégés who went on to run major companies of their own, and set the stand …
