@DanielSank (a) my answer makes sense (b) when people write this is not homework they mean they haven't been set it as homework, but it would still qualify as homework-and-exercises as discussed in my answer.
@JohnRennie But now you're advocating a criterion for on- or off-topicness that presupposes some notion of "standard coursework". From my experience from this chat alone, what is thought to be a reasonable exercise during a "standard course" varies a lot
@JohnRennie I think it covers a part of what is now excluded by our current homework policy. Perhaps it could have been an alternate way of writing part of that policy, back in ye olde days when we made it. If it's meant to contribute anything toward the new policy, I'm afraid I don't see the connection.
I know, I know, it's yet another Meta post about our homework policy. Feel free to downvote and write abusive comments if you're heartily sick of posts about the homework policy.
If you're still with me: the homework classification for closing questions has never literally meant that your teache...