Capitalism rewards those who CAPTURE the most value, not those who create it. Capitalism at its core is a system of expropriating the value of labor by those with capital who themselves create absolutely nothing.
Capital allocation is a serious job with very real consequences. The decision of how many AI datacenters should be built, to take an an unusually topical example, is one of capital allocation. Central planning is not a viable solution, it has failed everywhere it's been tried.