While many asians may have these characteristics, it's not that it makes them unfit to lead it is more about the promoting managers looking for the wrong signals. We see similar trends with introverts and women, no? They don't fit the extroverted, authoritative, direct management style that is deemed "successful", but is often not optimal.
He mentioned a lot of really positive qualities (great at technical work), but his one criticism for me was that I could "show more leadership". He failed to expound on that when I asked him for examples. He was so uninvolved with our day to day, he was rarely present. Little did he know, I was the one working behind the scenes keeping his flailing team together. This struck me down pretty hard, it was my first known experience with racism in the American workplace. My confidence shattered, and I started doubting myself. I hope to put this experience behind me soon, but it left some serious doubts for me, and honestly, it made me reconsider my previously ambitious aspirations. After this experience, I started really emphasizing with the experiences of women in the workplace.
Scientific discovery and technological innovation takes more than hard work, it takes the willingness to be obsessed with specific and sometimes obscure fields and forfeit social prestige and stability. Neither of those things are praised by the Asian culture.
I would say it's very possible that genetically, the Asian population in America is smarter than the average American. Combine that with a culture that emphasizes hard work and education and you'll have extraordinary results. But don't think that Asians are more intelligent as a whole. There are plenty of idiots back in China to balance that out.
Which makes sense since you can't immigrate here without a degree in a field the government has put on an 'in-demand' list. That or a spouse or family member financially sponsoring you.
My wife's parents fit that definition, and interestingly, all her uncles and aunts who came to America are over-performing here in America, and all the ones who stayed are underperforming in Asia.