More than this, in a risky, unstable environment, taking what you can get when you can get it is the right evolutionary strategy. Genetics doesn't know what sor

More than this, in a risky, unstable environment, taking what you can get when you can get it is the right evolutionary strategy. Genetics doesn't know what sort of world you are going to be born into so it has developed a limited number of plans. One of those plans is "control your impulses" and another is "get what you can and get out". They both work well in certain scenarios, and suffer in others.