Earlier quoted context omitted.
Enforcers of copywrite on materials that currently isn't being sold are Book Burners
Agreed. There should be an active sale clause for all copyrighted material, including video games. If you want to make money from the work you “own,” then fucking do it. Emulators exists for most systems. For books, the marginal cost of epub distribution is essentially zero and any high school kid can make one for you on a Sunday afternoon.
Goodbye Calculus 47th Edition. Students can now buy Calculus 40th edition both used and new at a reasonable price in perpetuity. The publisher can charge more for Calculus 50th edition when there's actually new calculus or better teaching methods.