Not suggesting entirely taking over governments. Having notable presence is good enough as it will make their colleagues uncomfortable in making policy decisions that treat Bangladesh unfairly.Do you really think white Anglo Saxons will let an inferior brown man win that easily lol ? Nahhh I think the Chinese will the first one to take over the U.S government.
But your definition of brain drain is different , which I can support I guess. If our people can get into high enough positions then it will be better for us.
India and Israel currently benefit in a similar fashion.
Plenty of non-whites have already made it.