In our western culture everything is egocentric. You work hard to be remembered for milenia for wonderful things that you've done. We try to mention who first observed or invented something (even though it often happens in multiple places at once and only the most popular and best marketed person gets the mention), but those people rarely care. Mostly because they are dead, but also PG's latest essay[1].
You can have equally valid, working and moral system where it's rewarding enough when your pattern is getting spread rather than anybody caring that it was made by you. It seems to even be going in that direction with the youngest generation, memes and stuff.
And reputation still works. You assign weight to given entity based on previous information that it provided. Whether it was "invented" or merely repeated doesn't matter.