No thats completely wrong, greninja was fine when there was garb and tool removal. It wasnt even a tier 1 deck. There are other decks like Yanmega, decks that would use Clawitzer, Decks that could utilise dragonite ex, Magnezone, Machamp, Klefki, Unown, Manaphy EX, Both Mews, Octillery, Mew EX...