look it up-"in online gaming, the practice of buying in-game items that give a player a very big advantage over others"
The in-game shop doesn't sell anyone anything that gives them advantages like gear and special items/enchants that you have to buy and can't earn, and even if that was the case if players can earn it via game-play it doesn't count as a pay-to-win game. Paying $60 for a boosted level 50 in crap gear isn't an advantage. Buying WoW tokens that other players buy from you with real gold for game-time isn't an advantage over people in the game. People who raid on multiple alts get a lot more gold than I do when I play, can I say that not earning as much gold in PvP as one does in mythic is an unfair advantage to me? If you can't use real money to buy items in the game that knock you up a few pegs each time you make a purchase then you can't say that the game is a pay-to-win game. Lord of the rings online is a pay to win game. Games that have an in-game shop don't automatically become pay to win. It's just facts.