This sort of tracks for me. The smartest people I know as adults mostly fucked around a lot and had wide interests that all culminated in them doing a great thing greatly. The smartest people I know as kids spent hours grinding on something and crashed out in college and are mostly average well-to-dos now.

Hardly a recent discovery. This is basically the entire foreword of David Epstein's book called Range: Why Generalists Triumph in a Specialized World