Your premise is flawed: you assume we already know what the targets are. Quite often in science we do not know the targets beforehand. Quite often we just happ

Your premise is flawed: you assume we already know what the targets are. Quite often in science we do not know the targets beforehand. Quite often we just happen to study/research something and out falls something else with very practical use (after minor adjustments and a little bit of out of the box thinking) we did not imagine was there.