Linkedin is at best a way to display you are a legit human who has made enough friends in your career that they might want to stay in touch with you. What you are proposing seems like a great way to make your page look like it was written by a bot or a state sponsored hacker.

As far as “personal dev brand” that sounds like some main character syndrome shit to me, but I’m just a Gen Xer who has been getting hired without ever posting on LI since it’s existed so what do i know.