Yep. Generality: People say "good swimmer" to mean "good at swimming in the (metaphorical) shallow end of the pool". Out in the natural world, 90% of being a

Yep. Generality: People say "good swimmer" to mean "good at swimming in the (metaphorical) shallow end of the pool". Out in the natural world, 90% of being a "good swimmer" is judging whether or not it'd be safe to even try swimming.