I know the Tailwind guys are working on a project called Headless UI[1]. It's a component library without the styling. There is also Tailwind UI[2], which is more like Bootstrap. Both are official Tailwind projects.
My developer co-workers and I have talked about teaching our designers how to code with Tailwind. The designers have no experience with writing code, but I still think its a good idea to start with Tailwind because you'll use many of the best practices and avoid a lot of the historic madness in the CSS world.
The case between Apple and Epic Games is about the app store on iOS. Epic can sell games without having to give Apple 30% on Mac OS. I doubt the investors is on board boycotting Apple as a whole.
Netlify does more than GitHub pages, it also builds, so with GitHub pages, you also need to use GitHub Actions. Netlify also has some other services they provide.