It depends on what you mean by user hostile.

Gemini is cool but probably just repeating the pattern. If companies and users wanted that, HTML use would have gone a different way.

The truth is that both consumers and producers of even “simple”, “static” content want a lot more than these kinds of solutions offer. We have web fonts, animated gradients, SVG logos, responsive layouts, and the like because people want them. Choosing another tech that lacks them will only result in them all getting added back again.