The playerbase is already shriveled up to almost nothing, now you have a DLC paywall separating the players that are left. Nobody is buying it, more players of the base game will leave since you've removed content and DLC players are going to walk away in a week when they get tired of walking around MERCURY!. Not to mention your PR is in ruins Give this DLC away, get millions of players back, fix your sandbox and maybe there will be players left when you want to sell your 3rd expansion.