Why should China people become foreign citizens?

There are several ways for China people to acquire foreign nationality: first, their children acquire foreign nationality abroad in order to enjoy local preferential policies; Second, I like the local welfare system; Third, other reasons (such as marrying a foreign wife and not liking the domestic environment. . . It is understandable for China people to take up foreign nationality. After all, it is difficult to meet everyone's requirements with the existing conditions in China. As long as you are not doing anything illegal, it doesn't matter which nationality you join. They are still Chinese souls in their bones, but if the purpose of joining a foreign nationality is to betray the motherland, then such people are shameful.