Yeah I am not a lawyer, but this is almost certainly going to get an investigation and a lot of companies are going to get sued.
A few years ago there was a (successful) class-action lawsuit resulting from the collusion of Apple, Google, Adobe, and other bay area companies to not poach each other’s workers. This seems similarly full of opportunity for a class-action lawyer… IANAL….
In the case of professional programming, the common exclusion of older programmers shows that experience in our industry just doesn’t count. What does that say about programming being an “engineering” discipline?