> I remain flabbergasted that today, in 2020, phones don't blend into desktop and laptop computers in any significant manner.

Microsoft did something like that in 2015. The high end Lumia's could plug into a dock with a keyboard, mouse and display and show a windows desktop with a start menu and apps.

It was called Windows 10 Continuum and it never caught on.

https://www.theverge.com/2015/11/20/9767266/microsoft-lumia-...