Yes, WoW is pay to win - Community / General Discussion - World of Warcraft Forums (blizzard.com)
Real World Money = in game gold = Pay to win
Disassembling arguments…
1 - A. If you buy items from Auction house with gold you “earned in game” it is NOT pay to win.
1 - B. If you buy items from Auction House with gold you “bought with your credit card” it IS pay to win.
2 - A. If you buy a carry/win with gold you “earned in game” it is NOT pay to win.
2 - B. If you buy a carry/win with gold you “bought with your credit card” it IS pay to win.
You can’t justify being a Wallet Warrior.
There you go.