https://www.propublica.org/article/is-it-age-discrimination-if-you-dont-know-youre-being-discriminated-against https://www.propublica.org/article/is-it-age-disc

https://www.propublica.org/article/is-it-age-discrimination-if-you-dont-know-youre-being-discriminated-against https://www.propublica.org/article/is-it-age-discrimination-... covers the same set of discrimination lawsuits as this WSJ article without the paywall. It also goes into more depth about the legal precedents involved. The tl;dr: the companies argue that the discrimination laws only apply to current employees and not applicants so it's OK for them to intentionally discriminate against older applicants.