Right now, their only advantage was in their player factions' City Lords and system factions. The system factions were all gathered together and had given up many regions. As long as Vietnam did not threaten them and only took over the regions they had given up on, they did not care much.
As such, the only ones who would be willing to do anything were the player factions' City Lords. Only through them could the Laotian people chase the Vietnamese people out.
On the other hand, the Vietnamese people had finally found a safe place where they did not have to fear Great Qin. Before, because of the Chaotic World, various countries had fought, and there had been some conflict between Vietnam and Laos. As such, the Vietnamese people intensely resisted being chased out.
There had been many large battles between the two sides. Because they had an advantage in terms of top-tier forces, Laos was able to suppress Vietnam, making the Vietnamese side feel quite sullen.