Is actually reminds me of a Sci-Fi I read where in the future, they use an ai to scan any new work in order to see what intellectual property is the big Corporation Zone that may have been used as an influence in order to Halt the production of any new media not tied to a pre-existing IP including 100% of independent and fan-made works.
Which is one of the contributing factors towards the apocalypse. So 500 years later after the apocalypse has been reversed and human colonies are enjoying post scarcity, one of the biggest fads is rediscovering the 20th century, now that all the copyrights expired in people can datamine the ruins of Earth to find all the media that couldn’t be properly preserved heading into Armageddon thanks to copyright trolling.
It’s referred to in universe as “Twencen”
The series is called FreeRIDErs if anyone is curious, unfortunately the series may never have a conclusion, (untimely death of co creator) most of its story arcs were finished so there’s still a good chunk of meat to chew through and I highly recommend it.