A lot of founders choose markets based on the availability heuristic, which tends to overconcentrate brainsweat in predictable places. Some of them make for poor businesses specifically because they're interesting to young people without money.

There are plenty of hard problems with massive implications for society which are almost buried in money, and you will broadly be rewarded more for working on them than you will for doing incremental improvements on economically marginal entertainment activities or similar.

Wasn't even planning on subtweeting myself here but managed to anyhow, so, FYI, voice of experience.

A surprisingly repeatable source of insight about the world: seek deep knowledge of a transaction that your peer set does not realize exists.

"Being a little finance-y about that aren't you?"

I mean you can pick whether your fundamental metaphor for human interaction is an exchange of data or an exchange of value. They basically converge.