"For some 'websites' that have a couple of 10,000 hits every second, and that 24x7x365, a few microseconds and a KB here and there translates into massive time and bandwidth savings :) Those are the cases where text coding is required."
And if I had a client with that kind of volume, I would insist on having a coder with your knowledge on the team. Most small business sites get, if they are lucky, a few dozen hits a day and WYSIWYG sites are perfectly adequate for them. OTOH, a WYSIWYG site would be useful for a quick proof of concept and design approval stages of a large project.
I think we're mostly all in agreement - but our perspective is different.