You are right, Word is impressive in the same way a big factory that assembles complicated products is impressive. It's an impressive amount of work, it's complex, and it gets a lot done. But looking in the factory, you can see some things it does in house that are better left to other facilities, some machinery that is overcomplicated or inefficient, it pollutes more than it needs to, etc. But we need to hit those production targets. Changing things up would be expensive, so on we go... providing value to those who depend on it.