Indeed, I mean its not like we have a ton a FPS's to choose from and GRIN, in my opinion has done an excellent job, not perfect but certainly its a step above the rest of the tactical shooters.
I've had nothing but fun playing with BSR, HOT, AFZ, CLONE, ICE, S7 and many others, TWL is starting to take off with their ladders, 25 teams last time I looked and the future appears bright. If ya don't like it then obviously dont play it but for sure there is a silent majority that plays the hell out of this game.