>>39061924Meowth is the most popular catmon from Kanto and it is easier to make a regional variant for a cat than anything else.
>>39061925Canonically, people in Alola love big round heads so they pretty much just kept the Meowth with the largest heads as their pets. As for Alolan Persian underperforming, it's because its offensive stats are crap. You use it as an early-mid game speedy mon. That's it.
>>39062167Alolan Meowth's primary distinguishing feature aside from its coloration is its large, oval-sized head. Anyone with a brain knew Alolan Persian would have a massive head. If you thought Alolan Persian was just going to have a regular Persian-sized head, you weren't paying attention.