I think that UE4 has an immense power.
In a previous post I talked about Ventuz.
Ventuz is very similar to Viz RT.
Both software are used to create broadcast graphics and realtime presentations.
They support input from various professional videoboards and supports alpha key for live broadcasting.
The principle is the same of UE4, the graphic is generated connecting nodes or writing scripts in C#
They support multi output, midi-osc i/o, tcp, external data from sql database, txt, excel files.
TV studios need a powerful engine to generate realtime graphics and I think that UE4 has enough power to do this job.
Regarding the world of cinema UE4 could be interfaced with motion controllers and used as a realtime pre-viz tool on set.
The Infiltrator demo is not only a tech demo, it’s a movie!
I hope that Epic engineers will develop realtime tools specific for the broadcast world and creative directors.