Certified GKH Gardening Expert
No, this growth with never return. This is proper, though. This type of pruning will help them to take on their natural stature and keep them disease free. Too much undergrowth can provide a perfect area for fungus to take hold and overpopulate.
I know it can be a shock to see such a sight, but this is a good thing. Once it reaches mature height it most species will drop them much further up, anyway.
This article will help you with the general care of the tree: https://www.gardeningknowhow.com/houseplants/norfolk-pine/planting-norfolk-pines-outdoors.htm