For their evaluation to be effective, they have to have a reliable way of measuring employee performance. It is not clear that any company knows how to do that.

For their evaluation to be effective, they have to have a reliable way of measuring employee performance. It is not clear that any company knows how to do that. In addition, there is no way to evaluate the candidates that were rejected. Apparently FAANGS don't care about that, as they get tons of applicants.