Depends on what you're doing. If your content is just headings, bold/italic, and links, I think it's eminently readable. Code snippets are obviously niche but are a solved problem.
People have mentioned tables here, and...yeah, they're messy, but I wonder how common of a use case that is for your average WYSIWYG user?
People have mentioned tables here, and...yeah, they're messy, but I wonder how common of a use case that is for your average WYSIWYG user?