The vast majority of items on the list seem to be good for ALL children. I think programming for the gifted is not as simple as this list makes out.
With gifted students it is the asynchronous learning that needs to be accommodated for!
It is not a one size fits all. The above model is not account for the asynchronous learning either. Tier 4 should be available as needed - not after formal identification.
As parents, you need to be armed with this information! If your child is great at Geometry and is working above grade level in that area only, you have a right to ask for their learning to be differentiated.