[anutron]

note: I'm the author of the article here.

I'd say rather than chase after things for their perceived value, do what you love. A lot of that esoteric knowledge is just the byproduct of doing what you like to do for years on end. If you like what you're doing now, keep doing it, get better, learn more.

As for few products being built around one superhero, that's absolutely true. But it's often the case that when products get created, there's only one UI developer at the start. In the article, the guy I'm referring to was one of the first developers at simple.com - how cool is that?