Since the beginning of time, some people have an irrational negative attitude toward others that look different. It is a fault of human nature. But it does not always manifest itself as aggressively as the Level Editors see it now.
The distinction is in the social and economic environment.
When people perceive that they have the liberties to pursue their vision of happiness, they focus on overcoming obstacles. They work on creating new wealth, where the sky is the limit.
When we have a political system that aspires to impose social justice, people compete to access limited goods and privileges distributed by authorities. This is where things get nasty.
In today’s America, socialism is the real problem, not racism.