Why do people beg for cash shop stuff?

[Kaurie]

I think (well, hope) your worries are overinflated here. While we don't know the specific financials, we do know that the next expansion is getting a bigger budget, and people are using the cash shop. That certainly implies that the cash shop is helping the game.

It may (not certainly) imply that the cash shop is helping the game. You're conflating correlation and causation.