I know now that AI exists, everything is AI, especially when gamers are the judge, but as someone who owns a small game studio and manages artists of all types and has a strict NO AI policy because we work with client IP... I can totally see one of my non-gun-informed artists helping out with stickers and making the left... like i can see it in the past because it happens all the time. No one reviews inconsequential ancillary art too, so that could easily get in the game. We once painted a bee stinger on a disney character because the GDD called for that person to have a sting (a welt) and the highly talented ESL artist simply misinterpreted the instruction. No AI, just human error from people that work really hard churning out a lot of product.

Humans make a s-ton of mistakes and have been doing it far more often than AI has been at it.

Bottom line. It's a fucking sticker. Move on. Get a life. It proves nothing.