I think the Philco-Bendix Combo's did a vey good job. Unfortunately, They couldn't make them now because of Government interference. They certainly would do at least as well as today's "Drek a Matic" machines especially on " office dust".
No matter the brand, people who didn't have the room were damned glad to have a washer and a dryer in one space.
I have seen Greg's Maytag combo in operation and it looks pretty competent to me. Of course that doesn't speak to the reliability of the machine, however I've never heard Greg grumbling about it.
As has been said, Maytag was concerned about their reputation of quality.
My have times completely changed!