Re: I wonder...
That is the calculated risk - which they are already taking with their on-prem server offering, remember it is a common business strategy, often implemented out of the application of the 80:20 rule. (Which gets quite interesting if you apply it to board rooms, something Tom Peter's - management writer, alluded to...)
I suspect unless PC World et al. fully adopt A.N.Other OS distribution (Currently they are favouring Apple, but they could adopt some Linux-based distribution and thus grab a bigger slice of the on-going support sales and revenues, although I would not totally rule out something from left-of-field like ReactOS! ) Joe public will have little real choice: it's either Apple or Microsoft.
>Why can't Win11 cope with older hardware by not offering certain features?
Commercial decision. MS has made many similar decisions in the past to encourage upgrades to their new OS and Office product offering.
Personally, I think physical TPM is a dead end technology, Windows really needs to include a software TPM, so that my VM/cloud instance can fully benefit from TPM.