He backed it up with actual product-building merit and enough (but not a lot of) reality-testing. His products were successful largely because of him. Too many copycats forget about the merit part of the equation.
Not all products, NeXT was a major failure, with a few books telling the story how it all went down, only due to Apple's acquisition there was a moment that with Apple's remaining cash, and what was left of OpenSTEP, they managed to survive both companies.
Had Apple gone with Be instead, most likely all three companies would have gone bankrupt before 2000, and Pixar would be Jobs last successful company instead.
Not all products, NeXT was a major failure, with a few books telling the story how it all went down, only due to Apple's acquisition there was a moment that with Apple's remaining cash, and what was left of OpenSTEP, they managed to survive both companies.
Had Apple gone with Be instead, most likely all three companies would have gone bankrupt before 2000, and Pixar would be Jobs last successful company instead.