In defense of some adults, I think a key point here is to realize that it's very different to do something alone, basically for yourself, and with the idea of (

In defense of some adults, I think a key point here is to realize that it's very different to do something alone, basically for yourself, and with the idea of (mostly) learning and exploring, that working with other people, for other people, and expecting the thing you are working on to keep functioning for the foreseable future. I think it's important to understand both contexts (and practice them!).