This study disproves the "asian smart" myth, because the asians have been through a selection bias and does not represent the average of their population.

Japan, Korea, and certain parts of China have the exact same standards. Nothing about this is disproven.

It is also likely that whites experience discrimination due to the current antiwhite culture.

Yes, but I don't think it matters in terms of academic performance. Europeans have been enslaved before or had their cities bombed in World Wars. Did they become magically stupider as a result? No.