Lu Yuanming knew that Einstein's Keya had quite a few grievances against him.
However, these grievances were based on differences in their respective paths, not personal enmity, and they were not fundamental contradictions; thus, they were still within an acceptable range.
Simply put, Einstein's Keya was the Clan Leader of the Cyclops Clan and, although the Cyclops Clan was a descendant of the bloodline of the Golden Titan Race, they were indeed a civilization of the Silver Species. However, they were not the self-devouring type of Lower Silver Race but rather the internally competitive type of elite Silver Species.
The elite Silver Species were particularly focused on efficiency. To use a phrase that Lu Yuanming knew, "Time is life."