That isn't balancing, that's simply adding things to a metagame, learn what balancing is.
Secondly, gen 2 is also the last time they changed a pokemon's typing. And you are literally a hilarious person if you think that Gamefreak is going to introduce an pokemon specific item for a gimmick pokemon that's gone completely ignored for the last decade.
Thirdly, Zarel has already changed a pokemon's typing because he simply wanted to, quite obviously, the whole Drive system isn't something Gamefreak would do with Genesect.
Be more pedantic please.
Quick question to Zarel, is the effect of Gluttony which allows a berry to be used twice in ADDITION to the 50 percent usage?