I don't see any minority can be a model minority. When you consider that every minority group has a different set of circumstances. Compared to people that way unless they were all born of the same situation, and each minority group has a different situation.
B) Asia is an entire continent, and there's no way it could have the same culture everywhere. I'm Asian -American and not east-Asian or so-called "Oriental".I think there's a pretty huge cultural difference between India and Korea,don't you. Japan and China for that matter right? Every nation has it's own culture and not all Asians have slanted eyes and look like east-Asians either.
I think a lot of Americans who believe that misconceptions,yes that simply do not care,did not pay attention in the school or were never taught about this.