Earlier quoted context omitted.
The time limit on copyright seems to be just an inefficient form of taxation. If Disney keeps copyright of Snow White the government can tax Disney's extra profit to pay for cancer research. Isn't that more socially useful than giving everyone the right to watch Snow White on YouTube for free?
> pay for cancer research This is an appeal to emotion. It's not very honest to cherry pick a nice sounding example. How about taxes spent for wars and so on? > Isn't that more socially useful than giving everyone the right to watch Snow White on YouTube for free? The money that people saved by not paying disney do not disappear. They will be spent, perhaps on cancer research, or something else.
In some countries petrol tax must be spent on building and maintaining roads. Similarly, can't we have an 'expired IP tax' which must be spent on cancer research?
> The money that people saved by not paying disney do not disappear. They will be spent, perhaps on cancer research, or something else.
Some people might decide to work less because they no longer need to pay for the movie. Hasn't the money 'disappeared' in this case?