Action brings you to information, information can be integrated as understanding. Optimism because pessimism is not an option.
There is a cruelty to building a system that is so undefinable to inhabitants who find no greater drive than to understand.
Effectiveness, efficiency, low time preference.
If there is an end, I'm sure as anything not planning for it.
The purpose is maximizing ones ability, or maybe understanding, possibly maximizing desired results, or something else, but they are all related.