“He was generous in sharing his insights with other people, and I think it shaped the current aesthetic,” said Jonah Shacknai, the former CEO of Medicis, which distributed Restalyne. “I think he fundamentally didn’t see that as threatening, because he didn’t imagine anyone could do it as well as he could.”
https://gen.medium.com/the-baron-of-botox-is-gone-but-his-face-lives-on-b3906c6e78f5