You can't stop war mongering cultures from running their mouths. The best policy to follow is just to establish clear lines and to fortify those lines with actionable leverage in the form of weapons and platforms.
Contrary to the USSR, the US can't afford an arms race vs. China because China is the superior manufacturing power. Throughout its history, the Soviets were never able to achieve more than 50% of the US's production, much less US + allies. But the situation is reversed for China vs. the US, giving China a much better hand in an arms race.