"CSS" is as complex as you need it to be. Just because you're not a three star chef doesn't mean you can't cook at least good tasting food, and just because you have no idea how the hell to implement a fluid CSS grid with parallal and keyframe animations that work at all breakpoints for all devices in both light and dark mode doesn't mean you can't make your document better with even a modicum of dead simple basic CSS.

Don't pretend that CSS is hard.

Yes, of course crazy CSS mastery to make vanity artworks on the web is hard, and yes doing stupid things with z-layer ordering and absolute vs relative positioning is the classic "family guy trying to work the blinds" gif, but decent CSS that makes information easier to read for a wide variety of people (including ESL, visually impaired, etc.) is barely any effort, and pretending we're all worse off because of CSS and that having a document format that lets you style your content with is a terrible idea is just willfully stupid.

(on that note: oh look, something that every single DTP product ever made supports, guess those are all terrible too, and I suppose that sarcastic joke about us all just using .txt files should get repeated here)