No, they shouldn't. In rotation battles, shuckle will destroy anyone. Shuckle has the highest defense in the game, somewhere aroung 600. Use powerswitch to switch his defense and attack, now he's a boss. Only problem is his defense is 10 and his speed is so slow anyone will go before him. But it's a rotation battle so rotate to someone that knows trick room, making lowest speed go first. Switch back to shuckle and you have the destroyer of worlds. He will one hit K/O any pokemon guarenteed.