Employers are carefully instructed by their lawyers not to say something like this out loud. They can think it, and act on it, but as long as they don't say it, they can't be caught for discrimination.

See, e.g., California Gov. Code § 12940.

https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?lawCode=GOV&division=3.&title=2.&part=2.8.&chapter=6.&article=1.