Critical support for the Lemmy world peeps in their fight against pro-intellectual property nerds
(hexbear.net)
You're wrong, which is why Disney keep lobbying to get the length of IP ownership extended - they don't want all their IPs becoming public property.
IIRC corporate copyrights expire something like 95-100 years after creation. Copyright of works created by an individual is 70 years post death.
https://www.theguardian.com/film/2022/jul/03/mickey-mouse-disney-copyright-expiry