"Of course, the United Nations will still conduct a test on their capability to see how advanced they really are."
Xinghe's group was the most familiar with their capability. They had visited their labs and factories when they were on the moon.
This was especially true for Mubai, who made a rudimentary assessment of their technology when he was there. Their ability was definitely greater than Earth's current technology and therein lay the problem.
Their level was too high for the world in general to be able to catch up to them soon. Based on the research into memory cells alone, the world would need several decades to reach their level. The probability of them being released would be very small, in that case, it was highly possible that their incarceration would be for life.