North Korea now knows of South Korea/Hyundai's capabilities. Why require mandatory military service for S.Korean men when you have real-life robots at the DMZ patrolling and shooting. That $1.1B deal was actually of great value for the South Korean automobile giant.
On a lighter note, those robotic dogs will be critical for fire protection because the trend in South Korea is for more high-rise apartments. You watch too many stories on the news of people being trapped as egresses are limited.