It's a combination of what you mentioned and incompatibility with APIs like Direct Manipulation. Raymond Chen explains it here: https://blogs.msdn.microsoft.com

It's a combination of what you mentioned and incompatibility with APIs like Direct Manipulation. Raymond Chen explains it here: https://blogs.msdn.microsoft.com/oldnewthing/20150129-00/?p=44803 https://blogs.msdn.microsoft.com/oldnewthing/20150129-00/?p=...