Microsoft definitely has a systemic "Software Quality Problem".
It does get really embarassing at times. Or, at least I would hope someone there is embarassed. I'm not sure. Maybe Raymond Chen is the single one embarassed person and everyone else are new recruits happy to be there?
Really, the only reason I run Windows 10 is that it's the fastest way to use the web, which is what I do all day long. The browsers are optimized for Windows in three critical ways:
a) general rendering speed
b) font rendering quality
c) site quality/functionality - a particular browser not working with a particular site is a much more urgent issue on Windows, where 90% of the users are than anywhere else.