Have Racial or Ethnic Quotas Ever Worked?

A look at racial and ethnic quotas from around the world show that they are either counter productive, used to lower standards, destroy meritocracy or lead to corruption. What positives have we seen after decades of quotas here in the United States? Will quotas ever end and with the changing demographics of the nation, how can they be justified when the minority becomes the majority? This is a thoughtful article which provides examples of failed quotas from around the world.https://quillette.com/2020/07/03/affirmative-action-in-a-multiethnic-nation/