But this way they get an “internal” framework that they get to exert a lot of influence over, with the added benefit of most of the labor market for those roles

But this way they get an “internal” framework that they get to exert a lot of influence over, with the added benefit of most of the labor market for those roles already being familiar with it. Building in house tooling adds a lot of cost to onboarding, but this way gets most of those benefits without having to accept that cost.