That's great, studies and evidence suggest that patents and copyrights result in decreased innovation. Are we going to do away with patents and copyrights? No?

That's great, studies and evidence suggest that patents and copyrights result in decreased innovation. Are we going to do away with patents and copyrights? No? Why not? Cap-and-trade may or may not have other effects that make the resulting possible decrease in innovation worth it to society as a whole.