About the whole "normalizing uniqueness" thing, clearly they haven't seen The Incredibles.
https://youtube.com/watch?v=fmSO2cz2ozQAt any rate, this looks like the kind of cheap, disposable kiddie crap that'll get shoved in the faces of the youth of the world regardless of if real kids even give a crap about it, and that sort of thing is a dime a dozen, then, now, and probably forever.
It didn't work with environmentalism in the 90s. Sure, people watched FernGully, but they weren't really in it for the themes. They saw it because it had Robin Williams and Tim Curry in it, and even then it was overshadowed by better movies. When Once Upon a Forest came a year later with virtually no star power besides Michael Crawford, Jurassic Park basically swallowed it whole at the box office.
This current obsession with diversity and anti-racism comes off as more of the same to me. Tons of works like Diversity Kids will appear like fleas, and tons of them will be completely forgotten, wiped out by the exterminator called time.