If some corporation did want to be racist (which has not been established), they'd hardly need fancy face-analysis technology to do it. They could, you know, just look at the applicants.
How is a computer looking at the applicant data, including their faces, more insidious than humans looking at it? In either case the company could claim they were totally not paying attention to skin color.
You should check out the history of IQ testing particularly in the US. On paper, it seemed to be a perfectly objective way to determine an individual's intelligence. But correlating the data, it was later shown to disadvantage blacks and that is why IQ testing for jobs is now illegal.
In the news right now: http://motherboard.vice.com/read/new-program-decides-crimina...