By your reasoning, if a conflict with China is not worth risking nuclear war, then it must be resolved in China's favor? Nuclear powers have plenty of conflict

By your reasoning, if a conflict with China is not worth risking nuclear war, then it must be resolved in China's favor? Nuclear powers have plenty of conflicting interests, and they exercise many forms of power to influence the outcome. There is no reason a conflict like this must inevitably escalate to nuclear threats.