If the goal of creating open-source software is for people to use it, it seems pretty righteous to then get upset when they do use it - regardless of what its u

If the goal of creating open-source software is for people to use it, it seems pretty righteous to then get upset when they do use it - regardless of what its used for. If you require that someone contributes back to the community in a "meaningful" way, then you should expressly define it in the license agreement. (Edit: You changed your post after I posted my response.)