How Swedes were fooled by the book “Surrounded by Idiots”
Is it not the same for the current wave of anti-bias/discrimination/racism training?  There is zero evidence that it has any effect.  What few brave researchers have risked their careers exploring the effectiveness of the training have found that it does basically nothing.  None of that stops companies from paying millions for it and good luck to the employee or executive that even dares suggest that perhaps there's better ways of tackling the problem/issue.