As described inthe video, the system is designed for use against infantry and lightly armoured targets.
Valve have yet to acknowledge or comment on all this - I’ll let you know if they do.
The footage is a reminder that the games industry and the military sector are heavily enmeshed.

Game engine company Unity have taken on military contracts towork on battlefield simulations for training purposes.
People Make Games recently publisheda comprehensive video on the subjectwhich is worth sitting through.