The mistake make with such data is that it can predict the future. At best, if the data is fairly accurate and complete it is only a good indicator of the past.

The mistake make with such data is that it can predict the future. At best, if the data is fairly accurate and complete it is only a good indicator of the past. The fundamental flaw of central planning at scale is that a small number of people will sustainably predict the future well enough to plan better than if they let individuals make decisions for themselves.