Nationalism does contribute to the support to the government. But The big factor for trust in any government is just material conditions that lead people to have hope that things will get better and don’t have to live in constant fear. One thing I have learned from living in the West is nothing make you trust your own government more than having to live in a malicious and dysfunctional one. That’s why I support the current government of Vietnam.
/s Nothing to see here, just another friendly democracy working as intended. They’re totally cool unlike those godless Chinese commies.