Earlier quoted context omitted.
That's not how copyright works on physical goods, like books, DVDs, etc... The Doctrine of First Sale is a crucial part of Copyright law. The author doesn't get to control your life because you bought one of their works. If you want to use it in some other way then they intended they don't get a say.
But you are not making another copy with physical goods. You are giving/selling it to someone else. Those things aren't analogical (for the same reason making a copy isn't "stealing" it's at most copyright violation). There is a reason for this distinction. Making physical goods costs money, making digital copies is free (basically). If we accept the premise that copyright holder can exercise control over it there is…
The author's problem are entirely self inflicted in this case, as it is his own DRM that is making him do extra work to allow transfers.