It's nothing new. He's not resent in the sense Pikachu is, but he is to a degree nerfed. If he were whipping out techniques and combos left and right from the start it wouldn't be as fun to watch. It's nice to have to see him reacting to things. A median between the two would be nice, but we don't really tend to get those, or if we do they're weighted more towards the side of him being dumb.
Also if he were reset he wouldn't have fancy new eyes, so it's obvious he wasn't completely reset. Durr