Why does a poor person from a developing country have to pay $10.00 for an eBook from 1923?
Was the Author really thinking "I won't write this book unless my third generation heirs get royalties".
Book authors are generally thinking more about which second job they're going to get to pay their rent, because apart from some notable outliers, it's extraordinarily difficult to make a living as an author. But, by all means, let's make their work product even less marketable!
I'm arguing that it wouldn't affect authors, because except for the extremely small number of books that become classics, essentially all profit comes soon after release. And if you're book became a classic, you're probably no longer poor, even if copyright term is only 30 years.
And, again, the poor in developing countries shouldn't have to pay outrageous prices for ancient eBooks/books that are in the classical canon.
TLDR: If you believe that additional compensation for authors on books that are still selling after 30 years outweighs letting them enter the public domain and allowing the poor free access, I'm really interested to hear the reasoning.