That said, there have been a number of age discrimination lawsuits, just no major class action it seems: https://www.cohenmilstein.com/case-study/ibm-age-discriminat..., https://www.theregister.com/2024/06/20/ibm_and_kyndryl_again..., https://www.hrdive.com/news/ibm-hr-professionals-suit-age-di..., https://thenationaltriallawyers.org/article/ibm-hit-with-1-5...
That said, there have been a number of age discrimination lawsuits, just no major class action it seems: https://www.cohenmilstein.com/case-study/ibm-age-discriminat..., https://www.theregister.com/2024/06/20/ibm_and_kyndryl_again..., https://www.hrdive.com/news/ibm-hr-professionals-suit-age-di..., https://thenationaltriallawyers.org/article/ibm-hit-with-1-5...