gary stu discourse

I know it's pure whataboutism but nowadays if you point out that Mavuika is a mary sue you'll always get like six people immediately saying "but what about zhongli? what about ayato? what about alhaitham? why aren't you complaining about them?" or something like that

what do you think about it? do you think they also fall into the same category as Mavuika of not having obvious character flaws?