Re:For First Time in More Than 20 Years, Copyrighted Works W...
by trampypizza on Thursday December 20, 2018 @11:40AM
(#18726387)
I would recommend reading James Boyle's 'The Public Domain'. It's available free from his site on a creative commons license[1]. He makes a great argument about the development of IP laws, similar to the points you have made.
It is supposed to benefit society as a whole. If protection is too long, limited access to (and reuse of) existing work reduces the benefits of having a law. If protection is too short, some works may not get created due to the lack of incentives.
Someone attempted to calculate an optimal duration, and concluded it was about 15 years: https://rufuspollock.com/papers/optimal_copyright_term.pdf (Related article: https://medium.com/basic-income/the-zombification-of-intelle...)