Cars come with all sorts of stupid stuff because people think it looks cool. Fake hood scoops, spoilers that aren't going to have any real effect at legal spee

Cars come with all sorts of stupid stuff because people think it looks cool. Fake hood scoops, spoilers that aren't going to have any real effect at legal speeds. So why not a "green spoiler" that gives the owner something to crow about but not actually do anything good for them?