That is diversity in experience, culture or opinions, not skin color. You are also assuming that the different perspective is a positive contribution, even if in many cases it just brings more tension because people have very strong different opinions on bikeshedding. The biggest problem is when forced diversity comes at the expense of skills due to lack of supply, which is a very real thing.
Imagine the coal mine next to you that has the target to hire a certain percent of black people, 50% females and 5% LGBT: it would close instantly because it cannot meet the target. But just imagine the value of the different perspective a black coal miner would bring, compared to the wonderful perspective of the female miners.
Imagine the coal mine next to you that has the target to hire a certain percent of black people, 50% females and 5% LGBT: it would close instantly because it cannot meet the target. But just imagine the value of the different perspective a black coal miner would bring, compared to the wonderful perspective of the female miners.