One might say that whether the website is served statically or dynamically, is orthogonal to the content editor's user experience. You can have a WYSIWG editor

One might say that whether the website is served statically or dynamically, is orthogonal to the content editor's user experience. You can have a WYSIWG editor and still serve generated content statically. Unless there is a compelling reason, don't do at runtime what you can do at build time.