When you don’t lock down the hardware it’s very hard to make the UI perfect. Which is why Apple’s Macs, with locked down hardware, have always been a better experience than the hugely hardware-flexible Windows operating system.

Android Team “Laser Focused” On The User Experience For Next Release

This is exactly why I think it will be very, very difficult for Google to avoid having the Android user experience ever be anything more than mediocre, just like it’s very hard for Microsoft to make the Windows user experience anything more than mediocre.