Personally, I think "intelligence" means different things to different people. Some people are intelligent in their specific domain because they spend a lot of time working in that domain. Others are generalists, they know a little bit about a lot of things. To me, both are intelligent in their own right.
> The T-shaped talent model suggests that the best way to grow your abilities is to build a shallow understanding across a breadth of domains and a depth of expertise in whichever domain is most relevant to your profession.
This article had a huge impact on me: The T-Shaped Information Diet - https://junglegym.substack.com/p/the-t-shaped-information-di....
Here's the basic idea:
> The T-shaped talent model suggests that the best way to grow your abilities is to build a shallow understanding across a breadth of domains and a depth of expertise in whichever domain is most relevant to your profession.