I was explaining to one of my coworkers how back in the day with WordPerfect you could click "Show Codes" (or whatever the menu option was called) and view all the embedded formatting tags as text rather than WYSIWYG. This made it incredibly easy to fix formatting issues and see what was wrong with an unintended interaction of styles. As people who had only ever used (read: fought with) Microsoft Word, they were mind-blown that such a thing once existed.
We maintain technical documentation and have to manually track page changes, which ultimately results in physical pages being printed and replaced in physical binders in many facilities. Use of Microsoft Word for this purpose is sketchy as f--- because when Word decides to "go nuts" and slightly reformat the next 100 pages (or worse, even previous pages) because of a minor edit, it turns a single page change into a hundreds-of-pages change apocalypse.
Of course we don't really let that outcome stand; what actually happens is an engineer (with occasional consultation of a documentation specialist) spends half a day tentatively prodding and undoing changes in an increasingly broken document trying to find a way through the maze that doesn't trigger either a formatting booby trap or Word's over-helpful malevolent AI.
The key point here is without the ability to "show codes" and edit the real underlying structure of the document not the WYSIWYG view, the entropy just increases over time.
We all agree that Word is not the appropriate software for what we're doing. Unfortunately the people with the power to fix this situation are the furthest removed from understanding our pain, and we have decades' worth of Word docs. And since Microsoft Office is the default, even when Word breaks compatibility we don't take advantage of that opportunity to move to a real document management system, they just keep buying the next version of Office.