Someone really needs to test how these “personality tests” are actually “testing” people. This feels very much like “let’s launder bias by using ‘algorithms’ that do the discrimination because they’re trained on existing bias”
There is a quasi-legal standard for creating and validating pre-employment assessment (https://www.apa.org/ed/accreditation/personnel-selection-pro...) but there isn't a lot of regulation and there are plenty of sketchy startups happy to sell low quality assessments to middle-managers at companies with poorly run HR departments.