It's this kind of mentality that's led to Smogon's ridiculously stupid bans this Pokemon generation.

Not at all, those techniques sure are awesome and provide Diddy great approaching, but first he isn't the only character who gets some cool techniques. Second those techniques require ability to be performed right and in the middle of a battle it would require even more effort to succesfully perform them, the real different is this Diddy and the Hoo Ha Diddy. As for the one in the gif, you should notice that it is a high risk technique, a minimum mistake and you lose a life