Windows 7 as an open source software?

It appears that Windows 7 as patched software has given its last breath quite recently and that Microsoft no longer provides security updates or support for computers that run Windows7. That is the main reason that pushes Mr Stallman’s foundation (i.e Free Software Foundation) to suggest to Microsoft making the OS an opensource.

Although (in my opinion) it seems quite unlikely that the powerful corporation will respond favourably to it that would be quite something if it happens, wouldn’t it?

Here is some more details on the topic: https://betanews.com/2020/01/24/open-source-windows-7/