PlayStation All-Stars: Battle Royale is a "rip-off", says Kamiya

Hideki Kamiya, creator of Bayonetta and Viewtiful Joe, has called PlayStation All-Stars: Battle Royale a "rip-off" on Twitter.

He obviously refers to it's similarities with Smash Bros. Here's what he had to say:

Kamiya then responded to gamers who were angry with his outburst:

Who agrees? Is PlayStation All-Stars a shameless rip-off, or is does it bring something new to the fighting genre?