"What I don't like about Tailwind" has less to do with Tailwind itself and more about the violation of separation of content and presentation that they push so hard.

> poo-pooing on someone else's open source project

This is not some young kid doing free software out of kindness. This is a company making millions of dollars in revenue in a closed source product (tailwind UI), which is built on a foundation (tailwindCSS) that is becoming less and less needed.