I don't understand why most of the things discussed in the article continue to be the responsibility of web page authors. For print media of course it makes se

I don't understand why most of the things discussed in the article continue to be the responsibility of web page authors. For print media of course it makes sense for publishers to hire typesetters to agonise over font size. But for online content, please just send me the text itself and let _me_ choose how to most comfortably read it! Doing anything else is pretty obnoxious.