With the size of the Amiga market it certainly wasn't out of commercial interest.
It's no skin off Cinemaware's nose if the offer is not taken up. I can see why OS4 users can afford to be indifferent, there is so much software for the platform they can just pick and choose what they want.
Frontier Development are being very coy for some reason about the seamless planetary landing question. A further update is expected on Friday, they normally appear in the late afternoon.