Drugs isn't a direct analogy, as drugs are harmful to your health. This is more like being a football fan. You can do that for free watching it on TV. You can do it for a small amount of money going to home games. Or you can do it for lots of money, flying around the country in first class following your team and hiring a private box at the ground.

Football fans and KA players have nothing to show for what they spend, other than having been entertained along the way