I dunno, Uniswap seems to be advancing to stop people rehashing their code. I think there is still a place for IP but China been ripping off IP and selling rip off's for years. Same as movies have you watched Transmorphers at the time Transformers came out.
Nothing new, I still think there is a place for IP depending on what it is. Also, the point about cards against humanity you could totally do that now without a hitch. Releasing a skin might cause some issues but like you said who are they going after. Plus not sure why you'd use that when you could create your own brand and do it better.
Patents are a chronic issue especially when it comes to life saving tech and medicines. They're unconditional across many nations and go against basic human rights. Yet governments give them power by adhering to them (opinion).