Earlier quoted context omitted.
There should be some freedom to render the same page in different ways. Lynx is an extreme version, but there is lots of room to consider different platforms, environments, input devices and users.
Why? When I design a page, I know what I want it to look like. I don't want to have to waste a bunch of my time in compatibility hacks to get around crap that they do different.
But not everyone agrees with you -- the readers want control, too, and it's their hardware, after all.