Not really, it is much more discoverable for most people. If interested, MS UI lead has a blog about lot of the reasons for ribbon and on the research backing it https://learn.microsoft.com/en-us/archive/blogs/jensenh
I was hoping to figure out what led to design incompetence so spectacular that people would still be discussing it after 17 years.
I think there’s a clue in the abstract: The author claims they made 25,000 mock UI screenshots, but doesn’t mention user studies or even internally prototyping some of the concepts to see how they feel.