One company I worked for ended up being no different than the good-ol-boy system, except all the men were women -- looking out and protecting each other, figuring out how to screw with employee's yearly reviews in order to game the system for the cabal of women leaders. This was getting to the point that the management chain was vacationing with each other in the south of France.
In one particularly painful case, they celebrated a big cloud move to AWS with T-shirts. The devops engineers who did all the painful up front work to make it happen got t-shirts. When the devops team completely turned over, they left the t-shirts hanging in their cubicles.