The root of the problems seems to be trying to find a holy grail design that works across all their businesses. Surface tablet mode, touchscreen laptop, touchscreen desktop (surface studio), mouse and keyboard PC, stylus input, etc.

Then there's a lot of legacy stuff that needs to continue working because otherwise you end up with a non backwards compatible windows.

Then you have to get everyone at microsoft across all their bajillion products to change the UI from Task manager to the 5th level of settings for some obscure ODBC connector.

It's not going to happen I suspect