I guess the correct paradigm is to have a format that [ed: allows] simple semantic markup and simple aesthetic markup to combine with user preferences. Like html, css and user styles in browsers. We had it good there, for a few years around y2k.

People don't distribute letters and books for consumption in Eclipse and Visual Studio, I don't see why we should distribute blogs and web sites that way, just because a small percentage of sites are more like applications than just a collection of hypermedia.