Here's an example of applied style versus in-content tags. Even with this tiny amount of content, you can see the difference in work required to produce it. The work required to EDIT and MAINTAIN it, in the face of changes, is stupendously mind-boggling. Scale it up to a large application. (Weird -- "text-align" woiks fer me.)
You know, BJ, I don't really mind that you are ineffably stupid. That's a personal choice, on your part. What I mind, and what I will do my utmost to prevent, is your misleading of members who come here for decent answers, simply because you have some bug up your ass about your personally-determined expertise as a web-design guru. I am asking you now to refrain from that. If you cannot voluntarily do that, I will appeal to the admins and mods of the forum to gag you. Pizientos has already had to close a couple of your threads for pandemic stupidity.
Example View the source.