[nacs]

> lower end GPU are playing games like League of Legends, World of Warcraft, Hearthstone, Starcraft

None of those games you listed are available on the Steam shop and aren't included in the stats linked. The Steam stats do have tons of other games and is pretty much the most accurate consensus on PC gamer's hardware.

And GTX 970 is pretty much in the top 5% of GPU hardware, the vast majority 90%+ of PC gamers aren't even close to that.