Sounds like an interesting concept, I really have to admit I occassionally give a good look to other OSes' user interfaces too, sometimes even like them more. This seems to be an effort to help adjust that.
I personally don't mind seeing things improve, the UI is the part you see the most in Android so I could go with some cleaning-up anytime. I think we all remember how big of a change 4.4 was when it came out.
Nokia 5110 (Battery Died) -> Nokia 6030 (Below the Elizabeth Bridge in the Danube) -> Motorola C140 (Dead Mainboard) -> Vodafone (Alcatel) 331 (Lost) -> Samsung E1190 (Snapped In Half) -> Samsung S2530 (Hardbricked, Disposed) -> Samsung GT-S5570 (Backup) -> Samsung GT-S5660 (Sold) -> Nokia C2-02 (Sold) -> Samsung GT-I8150 (Flawless!)
Currently using: XXLMI (XEU) / ClockWorkMod 184.108.40.206 / CyanogenMod 11 (2014/07/21) / K^Kernel 1.4 UV (3.4.98+416MB)