Note that while this may be true where you live, it isn't true in all contexts. E.g. if you try and do food distribution to all who come with no checking in, sa

Note that while this may be true where you live, it isn't true in all contexts. E.g. if you try and do food distribution to all who come with no checking in, say, the Congo you'll very soon have the vast majority of it being resold. Very poor countries are a very different environment (I lived in one for a couple of decades).