Thank you for your response!
I don't have any outstanding legal knowledge, but I feel a legal system that doesn't protect the recipient of a gift (in this case, a plugin, etc), and allow for the use of such a gift through any reasonable means, is unreasonable.
If someone writes me a book, and gives it to me for christmas, and says "do with it as you please", in writing and signed, that that should be sufficient to ordain permissions.
It's a shame all of that work doesn't get to be utilized on the same stage it was meant for. At least not with the same kind of confidence, or something related.