I really love to watch a lesson about the best way to manage a rich field, like WYSIWYG with Markdown or HTML text data and image upload (from URL, File or base64 ...), integration of video embedded etc ...
I don't think many people on this forum use a WYSIWYG...this is a PHP based forum after all. Perhaps that's what your asking, your post didn't make much sense.
Using a WYSIWYG Editor is not so hard and well documented. Another task is to integrate a filemanager because we need to manage permissions. There is a good package for elfinder. Also I created one for simogeo/Filemanager.
Thanks @bestmomo for this package, but I really need something easier, lighter. Something useful just for manage a rich field in which I can add images between 2 blocks of text, for instance.