I personally believe that selling and buying in-game items for real money wouldn't be a big deal, those who got money might buy what they want, the in-game item is produced by players who did spend a lot of time on it so it is a "player played item". But when we look on different servers they have those "bots" which does like 90% of the work needed, the player didn't need to play any time for it and the item is almost like an administrator would spawn it which creates a hole in the market.
I don't like to tell people what they are supposed to do, I think everyone can do what they want an