You are suggesting that China take the Goa routeI disagree. The anglos were already facing large scale anti-colonialism efforts from multiple colonies during that time. The Sino-Soviet Split was already underway and the global embargo on China didn't end until 1972. Nixon would still need to court China in order to put pressure on the Soviets. HK meant nothing to them at that time.
The Brits lacked the means, while the Yankees lacked the will to resist a PLA liberation.
Usually the right answer is do the opposite of India
