If it helps, this is discussed in the Daisy docs as well: Introduction — daisyUI Tailwind CSS Component UI Library

Don’t know (or really care) what Tailwind advocates, but using Daisy for a couple years has been a joy, and even if you don’t use any of the provided components (which anyway don’t get included during compilation unless used) it’s great just for the theming capability, so instead of bg-green-500, bg-orange-600, etc you use bg-primary, bg-secondary, etc which gives you not only light/dark themes, but the ability to easily swap colours and themes across your whole website/app (and to provide user-chosen or even user-defined themes).

You can already define custom colors for Tailwind like primary, secondary, or anything else.

$ grep surf tailwind.config.js 
        surf: '#006DA3',

The real benefit of DaisyUI is that it offers ready-baked components for most situations.