Oh I agree that if headsets see any success in the next 5 years (I have my doubts after having owned and used many myself) then Apple will always be the "walled garden" alternative and capture a certain percentage of the market. But I think the "log into your laptop" feature they are pushing is not going to be a good experience, and is likely a feature they will never promote and will not invest any development effort into, after the initial launch.
Creators can use the Vision Pro as their Mac's display, and/or run Office directly on Vision Pro.
https://www.tomsguide.com/news/apple-vision-pro-can-be-used-...
https://www.theverge.com/2023/6/5/23749947/apple-vision-pro-...