If people are creating software that burns fossil fuels without thinking about the whys wouldn't it be a good thing to have a law that regulates how we use electricity? Shouldn't an EU regulator have input on whether you can release your new blockchain app? You should be fine if its purpose falls into one of the covered categories...
People are creating online communities that enable abuse of members. Do we need statues and regulations to mandate abuse protections in online interactions and punish platforms that allow users to abuse other users?