I don't see why you have such a problem with it. Personally, I think that "Pay-to-win" as you call it is a nice addition. Now I won't have to spend real money on cash shop stuff and can just buy stuff ingame with ingame currency. What's wrong with that?
And if you are worried about people making ingame money with real cash, just keep in mind that money won't let you win in this game. It basically worthless. It won't let you buy overpowered equip. It won't make beating T13 any easier either.