However, when one of our two only Socrates's is concerned about excessive closure, we have a problem. In fact, this was not realized just today. We ourselves had some concerns, expressed before on meta, and there were some fruitless efforts to come up with more objective ways of closing questions as homework. Well, buckle up. It's time for real action.
That is, the ones that ask for calculations, without any effort on behalf of the asker. Here's one such example. (Imgur mirror for <10k users.)
However, it's not obvious whether the typed out ones are homework. In those cases, only vote for closure if one of the bronze tag badge holders, who are trusted to make the right decision, say that the question is scraped from a textbook. Notably, again lack of research in itself is not a close reason.