We have different capacities. That is why some become a GM at 12 and some are stuck an IM for life. And it extends beyond just being a GM or not. No one atm is

We have different capacities. That is why some become a GM at 12 and some are stuck an IM for life. And it extends beyond just being a GM or not. No one atm is as good as Magnus Carlsen for example, yet have been training at even younger ages.