From memory (an Economist artible that I cba to find right now) an economic study found that the ideal copyright limitation to actually stimulate authors to pro

From memory (an Economist artible that I cba to find right now) an economic study found that the ideal copyright limitation to actually stimulate authors to produce protected work was somewhere around - 25 years. We are now at 75 after death of the author or so. So we are at the pure rent seeking stage.