Because the sun is predictable, just like many things in life.
Do this, get that.
Say this, expect this response.
Eat too much, gain weight.
Eat less and exercise, lose weight.
Sell something, make money.
We often spend a lot of time and money worried about the outcome when we know what it will be.
If we know something bad will happen when we do thus and so, why do we do it?
Conversely, when we know something good will happen if we do something different, we don’t always do it.
It’s time to choose.