This sadly isn’t surprising, given what we know of implicit bias. But it’s a very striking demonstration of what all those CV studies have been telling us.
If you don’t believe that racism in the job market is real, then please read this article by Yolanda Spivey. Spivey, who was seeking work in the insurance industry, found that she wasn’t getting any job offers. But as an experiment, she changed her name to Bianca White, to see if employers would respond differently.