Seriously, I think it's a useless mid/low tier now, just like faclo.
SInce 1.0.4, he has no finisher, too much lag on his smashes, a very bad ADA since you can't cancel it anymore, and his hydro pump became useless.
Wait for hi buff next patch, and don't play it. Don't encourage Sakurai to kill characters like that.
Stop crying like a baby and look at it more objectivly.
I admit that I don't quite understand the nerf on Fair, but the others are understandable.
UpSmash was spammable and not punishable, how is that not outstanding?
Shuriken could be used to outspam characters that really rely on their projectile (like Samus) unlike Greninja, who was probably never meant to be so good with his projectile.
Hydro Push was crazy even with the shabby controls of the 3DS. Can you imagine how broken it would be on the WiiU?
Uair was glitched and now has a new glitch so this will be fixed.
And now to your post:
No finisher? Gimping and Hydro Push are working pretty well. Shadow Sneak got buffed and helps alot. Most combos are working better than ever thanks to the removal of vectoring, and are killing like always.
Too much lagg? Please, these 4 more frames on Greninja's UpSmash are noticeable but it still has not "incredible" lagg. Try playing Ike and you now what laggs mean.
****ty Dair? The cancel through Shadow Sneak was predictable so this is hardly a nerf (I would like to remind you that this was a glitch in the first place and shouldn't be there).
Hydro Pump useless? It can still gimp, you just have to angle it more accurately.
Greninja was not "killed" or made useless by any means. Many people fail to realize that the removal of vectoring would have made Greninja broken as hell since his UpSmash and Uair already killed pretty early. Look more at the whole picture instead of nitpicking on the nerfs and ignoring the buffs.
The ONLY thing that is really sad is that his Sub didn't get buffed. I hope it will happen, but otherwise the patch is reasonable. Stop whining and practice or go to another easy-to-play character.