Depends on the criteria, e.g. if dev speed has highest prio, a full blown component lib like Material UI would be superior to shadcn. CSS can obviously do things that tailwind can't, so it is more powerful.
The point of shadcn is you can pull in a component and modify it any way you want. It's always going to be bare bones at the start. Something like MUI locks you into a layout and style that's coupled with the API, and you need to rewrite big chunks of your app if you want to add your own branding.
For me the best middle ground is Headless UI or Bits for Svelte, unstyled and composable but you don't need to vendor code into your repo like shadcn.
This is very much about Claude Code and agentic coding. OP at Reddit describes their situation as a soul-sucking "pressing enter" existence. Not using any human traits. Not even communicating with other humans. That is vastly different to the hustling culture before LLMs. Company culture is orthogonal to the effect AI usage can have on mental health.
I think I get your point as omarchy represents a different kind of UI, but if it was just about getting a rock solid stable working environment, Fedora or Ubuntu with either Gnome and KDE work perfectly fine. I don't even use a third party terminal (just konsole). Keyboard driven terminal workflows works fine on KDE for me.
The problem is not the hype, the problem is that it's a vibe coded distro. AI lowers the bar substantially in terms of needed competence and diligence to create something like this. Of course bugs and issues are present in human created software as well, but now that everyone can vibe code a distro the chances of low quality software are much greater.