Lu Xuan promised to help society. Although he had made frequent moves before, they were more for his own sake and could not be regarded as for the benefit of society.
Now that he had really joined, he needed to do something for the whole world with his own strength.
In this case, the safety of his own family members had to be guaranteed. Although the martial arts level at Yunxuan Villa's current strength was enough to defend against major forces, it was inevitable that people might do something desperate when they were cornered. Therefore, it would be good to have an extra layer of protection.
Moreover, the security of the country and the security of the Special Task Force were completely different things.
The Special Task Force was powerful, but the amount of power it could mobilize was less than one percent compared to the power that could be mobilized by the whole country.
It was basically foolproof.