Careful, you got the courses backwards. Caves Valley is a real course, and imo should be in the running to host the AT&T National in the near future. Some very good points on the cloned tree and ball washer. Real courses will likely always be better on PP than TGC, and with terrain forge we will likely end up with hundreds of terrific real-life layouts to play in PP.
Tbh I haven't really noticed the cloned tree problem, just that there's basically way too many pine trees...not all alpine trees should be pines! But this would involve lots of careful planting, costing precious time in the race to put out courses as fast as possible. For PP I'm sure we will have some good starter layouts, most likely the handful that have already been completed, and they won't be dreadful like knoll down is.