Particularly since there's no software that used AAA. If we can do better with other things, then it's a waste of FPGA space. It might be an interesting educational exercise to do it anyway, but it doesn't seem very practical since we don't gain any software for it. And, since there's other better things today, it's not practical to make it and then make software for it.
You have to think that this SAGA or whatever this Natami chip is called,is in the same boat.
Whats the point in it, when current Amiga graphic cards can out perform it ?