Diversity is, on balance, good, but without an account of how to distinguish desirable from undesirable diversity, the praise of it is too simplistic to be helpful.

Sometimes your Medium articles post correctly! Sometimes not! Sometimes with random AI edits! Yay for diversity!

Onchocerca volvulus, transmitted to humans by blackfly bites, causes skin disease and blindness, often affecting human children. Yay for diversity!

English spelling is weird, but it's not to wierd tew reid, un less u halve trubbel too reede weerd stuph. ❤️🤯 Srsly! Yaiy four die verci tea!

Justice can be served through the courts. Also, lynch mobs. Papal edict. Vigilantism. Karma. Yay for diversity!

Here at High Sky Automotive, you and your car will be in excellent hands with our team of psychologists, wheat farmers, cryptography researchers, plumbers, city council members, and kindergarteners. Yay for diversity!

Some health insurers say they're going to cover your medical costs, and do with high reliability (e.g. Kaiser). Some health insurers say they will but then don't (I think we all know this one at the time of this writing). Yay for diversity!

Some of your cells have multi-layered control of cellular division. But wouldn't it be even better if a bunch had more layers of control, an bunch had fewer, and some didn't have any at all? Yay for diversity!

The oppression tale is sometimes true, but it is also used very widely to, ironically, oppress discerning understanding of the relevant factors.

Diversity provides resilience when you have a variety of similarly good ways to solve the same problems. We lost all of Avemetatarsalia save Aves, but all main branches of Mammalia made it through the K-T extinction. But every single species was honed through evolution to be really good at something. It was very stringently selected diversity.

Diversity aids problem solving when it provides extra perspectives on task but not if it damages psychological safety or if it renders group culture incohesive (see e.g. https://www.nytimes.com/2016/02/28/magazine/what-google-learned-from-its-quest-to-build-the-perfect-team.html).

Diversity has advantages. But to protect it, knowing when it doesn't is absolutely essential. "Anything goes" is an utter disaster and approximately everyone understands that. To reason for valuable diversity, you have to be able to talk about the boundary.