if societies don't go for long shots and risky ventures in search of growth, there's little to no improvement, and the only way out is building zero-sum environments.

This part is correct. Risk aversion means you'd take a lesser expected return for a lower risk of total ruin. The problem is that risk aversion also means you would hold cash rather than wager it.

yeah, you're one dude at the edge of internet irrelevancy

Only until I hit it big on prediction markets. Also, which edge?