Outcome of random search

"Asia (minus Japan) has not produced a single quantum invention since the times of Admiral Zheng He in 1400 AD, when before that it was responsible for nearly all of them.

Quantum inventions = significant leaps in order of problem-solving from cave-man days to now eg taming of fire, domestication of rice, discovery of language, wheel, urban social systems, zero, paper, printing press, electricity, phones, credit cards, computers.

What might the topmost reasons for this be? And what might the best bang-for-the-buck ways of reversing this rot of mental soil be?"

If this was common knowledge, we would be at threshold levels of conciousness.