From the Unity3D web site:
A number of incredibly talented architects and engineers use the Unity engine to bring their blueprints to life and let their clients adjust the designs as they wish. How does Unity fit their needs? And how are they changing their industry? (20 minute video)
As can be seen, developing workflows around software is not centred around getting a degree first. Making stuff is vocational, not academic. Every architecture firm should be able to offer stunning 3D walkthroughs (as well as Oculus Rift visuals).