There is a HUGE difference between "buying knock offs" and copying something that should be in public domain. For one thing knockoffs tend to be cheap and poor

There is a HUGE difference between "buying knock offs" and copying something that should be in public domain. For one thing knockoffs tend to be cheap and poor quality. But this isn't just about "copying" it is also about using, and remaking and recreating. If the 1978 law was still in effect I could create a cat in the hat game or movie, without having to pay licensing fees.