I suspect as people start realising that the majority of these security patches are for bugs in things they never wanted nor needed on their system[1] or outside their threat model and thus present only to make their lives worse, thirdparty services like these will become more popular. Especially when they see what Win11 has become.
There have long been communities providing unofficial contributions (including drivers for newer hardware) for MS OSes going back to DOS, and their existence has always seemed to puzzle the FOSS advocates.