In legacy Big Tech (Facebook, Tesla), the vision means less and there's less premium from the founder, maybe
Bill George said he thinks Zuckerburg might be tired. A year ago he changed the name of the company, which George thought might mean he was abandoning Facebook, and that Zuckerburg should hire a CEO and Zuckerburg could go be chair and chief creative officer in and focus on VR. He's spending $10b per year.
"Someone has to restore [Facebook and Instagram], and if someone doesn't set some standards for the companies (both Musk and Zuckerburg), we're going to have forced regulations, which no one wants."
The founders were seen as 'visionaries'. Not necessarily 'competent CEOs.'