One thing that stands out is that the group that has been previously infected (both unvaccinated and single-jabbed post-infection) has been selected for survival already. I personally wouldn't draw the conclusion they propose from that population.
I don't want unification so much as the ability to run full macOS off of my phone when docked to a display. It is a simple request on the face of it and Apple is about the experience and hiding complexity, so even if it is hard to implement, once the hardware is capable (and it has been for a while) this is arguably a very nice feature to have for many.
My personal favorite method was to have a script sms me at the end of a long running task with the status code, last few lines if any error and how long it took to run.