It's understandable that you might find individual Asians to be civil and reasonable people. Most Asians I've known have been quite intelligent and disinclined to violent and indisciplined behaviour. But the world is made of groups, not individuals. You cannot draw any meaningful conclusions through observation of individuals of any race, especially not teenage school children who have yet to fully mature. By trying to do so you will accomplish nothing except for confusing yourself.

Anyway, here are some examples of Asian traits which most people would consider to be "wrong" (this is by no means an exhaustive list):

* They are predatory in business dealings, second only to Jews in this regard. Consider the constant stream of dangerously shoddy goods coming out of China for example.
* They are heavily over-represented in organised crime, particularly in the drug trade. In Australia for example waves of Chinese and Vietnamese immigrants (often illegal) have managed to turn the drug problem from a minor nuisance into a socially destructive cancer which costs us hundreds of millions of dollars every year in terms of higher crime rates and an increased strain on our health system.
* They show a reckless indifference to environmental destruction which exceeds that of any other race, with the possible exception of the Mestizos.
Look at the filth in which the Chinese have to live even in their most prosperous cities (this issue has received significant media attention in connection to the upcoming Olympics). In addition their bizarre and often perverse dietary habits have had a devastating impact on many animal species, such as the various species of shark.

In the end it's not really a question of "what's wrong with them?". The real question should be "do we want non-whites in our living space?". Try not to get hung up on the details and have the latter question always in mind when you consider the impact of any non-white racial group on society.