I think it's ironic. Microsoft since the dawn of time has been known for backwards compatibility in Windows. They would go out of their way to ensure random 16 bit apps with bugs and major issues continued to work through years of major upgrades to Windows. Raymond Chen has written countless stories of the hacks upon hacks they had to keep running through the years: http://ptgmedia.pearsoncmg.com/images/9780321440303/samplech... So now to see it all abandoned as Microsoft is pulled into the age of web applications is kind of amusing.

And just recently on here I was talking about how MS is known for backwards compat but we actually observe Linux doing it better

While breaking backwards compatibility with user space apps is frowned upon, I can’t imagine Linus approving adding old bugs so that buggy programs can still work.