The ancestors of the race looted entire nations, killed in millions and left countries to fend for themselves. Yes those uneducated Indians are uncouth now because years ago it was among the richest nations. Europeans ancestors whom you adore for “manners ” were the ones that left entire nations burning, penniless, no resources from slavery and created ethnic divide which still is warring. And people conveniently forgot that. Same story in hundred of nations. So if you really are interested in racial and cultural behaviour, then Go deep and understand the reason. You might find, Almost always there will always be one race which has been mega villain.