It's highlights the gap between what NFTs are said to be (paying artists, owning artworks), and what they are (get rich quick off other people's content).

In this case authors of the skins aren't getting paid anything. Copyright situation of 80K files found on the Internet is also going to be a mixed bag. It may create a few paradoxes where people who paid for an NFT don't have any legal right to use what the NFT links to.

You can’t sell work/software made by other people, it’s not legal (and it’s stupid). In example, form the Winamp website TOS:

> 1.1. The contents, lay-out, source code, structure and any and all other elements of www.winamp.com are © 2021 by Winamp, its affiliates, successors, parents, subsidiaries, assigns and licensors (hereinafter referred to as “Winamp”). All rights are reserved.

>1.2. Without limitation, no parts thereof may be reproduced, communicated, altered and/or used in any way whatsoever without the prior and express approval of Winamp

You don’t get to sell other peoples work, so in this case whatever money the seller makes doesn’t belong to them, it belongs to the copyright owner. With penalties of course

...correct, but you think that who is selling them will give the money to the Winamp devs?! Anyway I don't think is possible to sell NFT of copyright materials owned by others without consens.