There was the famous "Bill Gates memo" early in the century that stopped work on pretty much everything except security, citing Windows' atrocious reputation as

There was the famous "Bill Gates memo" early in the century that stopped work on pretty much everything except security, citing Windows' atrocious reputation as an existential risk to Microsoft. It lead to a big improvement, including UAC and driver signing. Also it's worth differentiating between Azure and the rest of the Microsoft silos. The Xbox isn't being cracked on the regular. The microvirt for applications and browsers in desktop Windows seems very well thought out. It seems as though the Azure team are pretty awful, though.