Column load takedown of a 20 story building using the tributary area method, which is a widely accepted and commonly used approach in the field of structural engineering, involves calculating the loads and forces acting on each column based on the weight of the structure and the distribution of the loads across the tributary areas, and is a critical step in ensuring the stability, safety, and longevity of tall buildings and other complex structures, as even small errors in the load takedown calculations can lead to significant structural issues, such as uneven settling, excessive deflection, or even catastrophic failure, that can compromise the integrity of the building and put occupants and nearby structures at risk.
If you want to learn more about calculating tributary areas, check out this post Tributary Areas of Columns and how to Best Calculate them