I`m kind of like one of those people that picks up small and interesting bits of wood and doesn`t want to let go of them. Or, you know, I`m fascinated with the wrapper on a sardine can. A little cuckoo.
Even before Plato, techne was conceived as knowledge of a determinate field that could be mastered by "the expert". Such a person becomes an authority to whom laypersons should, in their dealings with that field, defer. Techne typically results in a useful result.