But beyond that warning of Justice Scalia's, what would stop it there. A anarchy of Liberty is King today. No laws may restrict personal behaviour carried on in private, or even kept "discrete" in public.
As I read it ...
All private Gambling of all forms has just been made legal.
The Drug laws -- excluding of public intoxication -- all struck down.
Prostitution -- as long as keep discrete in public, or in private -- legal in fifty states and all territories.
Bigamy? OKAY!
GROUP Marriage? LEGAL!
Incest between adults? The Supremes have spake: "Go to it!"
The terms of copyright and patent have just been set to Zero days -- as long as one keeps it private.
This ruling also makes Income Tax, and tax truly "voluntary" -- as long as two consenting adults agree to something in private, the state has no review.
Abortion, suicide pacts, euthanasia -- all legal under today's ruling. Selling your children -- fine. (As long as they are not slaves, of course.)
Extreme amoral libertarianism has just become rule of the land.
Not bad. You were on a roll until that last one. No reason to alter copyright law. It's not the same thing.
And public intox should be fine, as long as you aren't driving or causing a problem. Some of us can get plastered and not start fights or try to drive.