DP sprites wouldn't even be up for consideration. 1, they are too old, and 2, it would have been just more time. I do see your point too, but yah, in all the generations, there are sprites that are messed up, like HGSS's rhyhorn line.
Randomly, I was B-Sing last night, doin animations, and platinums 2nd frame eevee was AWESOME with chloreon. I was actually really surprised.