Not everyone can do as you did, some people don't have that type of money. They use cracks to start then like mitch said, they purchase the original.
You used a crack minecraft account the other day, and you weren't supporting the developers, nothing wrong with that? You used it as a "demo" to...
Rev will be free and it looks way better, why pay for something that can't update to the newest standards. From what I know most people say they used cracks because they can't pay for the original then when they get enough, they'll get the original, so I just view cracks as a ticket to buying...