Or maybe they will launch Win 12 with optional TPM support.
Imho making the OS(es) TPM only cannot be good for their business, many people are still on Win 10 with no intention to switch, since their motheboard does not support TPM and do not want to upgrade PC / waste PCI-E slot on TPM extension.
we still run win10 at the office on dual core wolfdale systems. they mostly now have 8gb ram and sata ssd. they run great. wolfdale launched in 2008, seven years before win10 was released.
i also have win11 set up on ivy bridge and haswell, that are also running very well. used daily for everything from basic office tasks, email with local multi-gigabyte mail stores, to video capture and editing. these are even older in relation to win11 than wolfdale is to win10.
the main issue is microsoft has unilaterally and arbitrarily decided that all these systems, all the way up to kaby lake (which was only discontinued by intel in 2020), which are usable by many, if not most, users for the tasks they perform are now ‘obsolete’… all in the name of profits for them and their oem partners.