This is the first time I’ve heard Pokémon accused of ripping off Digimon, the Tamagotchi clone released in 1997 that pivoted to becoming a Pokémon clone afterward. Or do you mean that later generations of Pokémon ripped off Digimon?
https://twitter.com/byofrog/status/1749679557387358667
*Or, you can, but it does not make it any more simple to copy a different design. Maybe the hair could use a brush or something to change it quickly but for the rest of the Pal it would be useless.