I'm not so sure about a purge. She definitely was on the right track and she and I agreed on so much. There are others in in the senior levels of the CAF who also share some of her views.
In my experience, Policy people in the PS (and often academia) have a tendency to be quite staid in their thinking. The knock-on effect of that is bigger than one would think. Especially in the public service. There isn't really a leadership class or a route to leadership in the public service that doesn't go through the gateway of being a policy person. In the PS, the opposite of a policy person is someone that is in ops. You can see how that may manifest itself. In fact, it's pretty obvious that it is already manifesting itself across the public service.
Just a few thoughts