That's silly. It's the same logic that got us criminal sentences in the DMCA for copyright violations, since movies, music, and television are a massive part of the American economy.
Federal sentences for bank robbery are 5-10 years.
Federal sentences for bank robbery are 5-10 years.
A much more convincing argument could be made that theft and copyright violations are the same. Buy theft has quite low punishments (at least in California).
Stealing your furniture is theft. Taking a look at your furniture, and carving another set exactly like it is copyright infringement.
You may violently disagree with this, but if you're struggling to figure out at least a lower bound for how much damage might have been done, the answer is probably "almost none".