Yes, because those two things are related. I don't know if it was ever made public, I think I heard this story via backchannels. But Google did a research proj

Yes, because those two things are related. I don't know if it was ever made public, I think I heard this story via backchannels. But Google did a research project at some point to discover why GPA/interview performance in general did not seem to correlate with post-hiring job performance. The project was never allowed to reach full completion because the direction their data and investigation was going looked like this: "Our hiring process does not correlate with post-hiring job performance because we have a large and measurable bias in interviews in favour of Ivy League candidates and women." In other words, GPA didn't correlate with job performance for Google because it was a confounding variable: they were selecting the sample for top tier universities (which select on GPA) at hiring time, but not when it came to promo reviews (which had a different process and anyway, less rhetorical ideology involved than hiring, at least at that time).