Re: Microsoft is missing a trick
That can already been done with NTLite. Admittedly you have to build it new with each major update if I'm right - or a WU will refresh the machine with a full 10 image. Removing integrated apps and telemetry components is robust though if you go deeper you can end up running into problems.
Windows is surprisingly modular although MS have made it very difficult to pick and choose. Just recently they changed DISM so removed components are just "hidden". In a day and age where most people are constantly connected to the internet you'd think could save bandwidth and SSD space by just having components download on-demand. Instead it's typically a 4GB+ iso unpacking to 20GB or more. The barebones for fully functional Windows 10 is less than half that.