Here, I can't comment on this as;
player base and turnover done in the game is reducing and situation on the ingame market is getting worse with every change and system they implement, starting to get impossible to sell certain stuff, bottom line is;
Kim's post there is a fail to begin with...
Let's stay on topic. We aren't talking about the size of the player base, the in game market, or other things. So as it pertains to this topic, let's think about the flow of ped through the game.
MindArk's business model requires them to sell large value items to players from time to time such as land, deeds, motherships, or whatever. The majority of funds derived from such sales no doubt go to pay for operating costs, investors, etc.
Since you like hypothetical scenarios:
So item XYZ comes for sale by MA and then lets say I deposit $10,000 and then end up winning for 100k ped. That money entered the in-game economy when I deposited and then left when I bought XYZ item from MA's auction. That's profit to MA and no loss to the game economy. The money entered and left right away and it's money that wouldn't have been deposited otherwise.
But as Kim pointed out, some of that money doesn't leave the game after all.
So let's say that Kim's monthly allowance is 1000 PED on his undercover avatar, that's 12K ped per year and that money came from item sales like what's described above.
As Kim hunts, mines, and crafts, he is putting that money INTO THE GAME ECONOMY making it part of the overall loot system.... And then let's say Kim has a bad loot week and loses all of his monthly PED on his beloved Eviscerator and then YOU come along after he has been grinding and grinding and get a 1K PED hof on an Evis Gen 1. Well guess where that PED came from, at least in part.
Now let's reverse that scenario and let's say Kim has a great week hunting, is up 3K PED and then also loots a really nice unlimited gun. He already has a gun that he likes so he decides to sell it. He puts it on auction and I manage to nab it for 17k. Now Kim has a total of 20k ped to play with and what he doesn't have is a nice unlimited heal tool and since he can't withdraw this money, he might as well get a good FAP... So he decides to buy the Adj Hedoc Mayhem that qamori is selling for 9.5k and then use the rest of the PED to hunt.
With the 9.5k qamori just got, he combines it with his other PED and buys something really nice and then deposits so he can go play with his new toy. With Kim's remaining 10.5k he decides to go hunt Longtooth Stalkers and put his new Adjusted Hedoc Mayhem to good use.
Well what usually follows a good loot week? Thats right... a BAD loot week... But Kim doesn't care because it's not real money to him since he can't withdraw it, so he blows that 10k on Longtooth and the cycle continues as PED pass from player to player, cycling, and doing what PED do.
So as you see, there isn't a detrimental or even a negative effect on anyone, Kim's undercover avatar contributes to economic turnover, and also introduces NEW MONEY to the system just like any depositing player does.