Western influence in Asia has peaked. It cannot grow any further.

ASEAN is its own entity with Indonesia at the center.

India is its own entity that values its independence.

China cannot be westernize as its too big to be westernized.

Philippines, Vietnam, Taiwan, South Korea, and Japan already fall under the western sphere of influence.

Russia is not part of the west any longer and falls completely under Chinese influence.

The middle east is already under western influence.

Every remaining place in Asia is too big or too far for the West to influence.

In conclusion. Western influence in Asia has peaked.