"Have you tried to make icons?Try to make more than 5,000 icons, each icon separately and you will know how much you need!"
Indeed, but I think you missed my point. My point was that, when uploading them to places, it doesn't actually take any extra work at all to slap "GPL" on something vs "CC BY-NC-SA." As a result, there's no need for "temporary" proprietary licensing.
