Picking sides (e.g., white vs. black), as the Left wants to do (to force equality of status regardless of individual performance [except for party members]--the communist/antifaschistishe model), instead of treating people as individuals as the Right wants to do (to allow equality of opportunity for any individual, regardless of race--the GOP-MLK model) will destroy the country.
Rightly or wrongly, if the Left policies start to carry the day, and government discrimination on the basis if race is actually made part of the system, non-racist whites (who will soon be part of a racial minority) will end up picking Team White because they will feel that they have to do so to protect their children from the backlash the Left is building (and that we have seen in other countries). It will be a survival instinct, as the author notes. The jungle will return. (This will be downplayed, and decried as alarmism, by people who were alarmed about the despot Trump. Will be funny to watch.)
I would obviously prefer that we not rush head long into systemic racism, but the policies of the Left are pushing us there, even if "not wittingly" (...call it the stupidity of the American voter, and all that).
And, if an American view is insufficient for you, note the fact that if the US declines, and if China can hold together, China will be the next great empire for the next century or so, and that will not be good for the world.