Given the iOS-ification of macOS, the macOS-ification of Android is a good thing. If this shrinks well and encourages more netbook form factors or desktop norms on tablets, even better.

All that really matters is whether or not it is locked down. If it isn't locked down, you can run whatever OS and UI modifications you want. If it is locked down, and you can only run approved software, then you are stuck with the features they want.