I assume they don't exacly have a huge community of active devs. combine that with the fact that user interface design is hard and needs experienced people working on it and you got the reason for cloning a perfectly functional UI instead of completely messing up while innovating a revolutionary new one.
I assume they don't exacly have a huge community of active devs. combine that with the fact that user interface design is hard and needs experienced people working on it and you got the reason for cloning a perfectly functional UI instead of completely messing up while innovating a revolutionary new one.
This is pure conjecture, of course :)