The cost of knowing there are more options

I went to the sea. Thought about the many hidden tricks there is that have a potential to make life even better.

Then realized that those wandering in the water having fun.
Are they losing for not looking for more tricks? Certainly not. They have fun. Even if there are theoretical ways to improve life over what they do, they maybe better of without thinking about that.

Ultimately it is the cost of thinking and how much latent potential there is and how practical it is (in reality of doing it, not in theory)