SourceThe evidence which supported this are :
1. Asians are smarter.
2. Asians are youthful.
3. Asians are less smelly and less hairy.
4. Asians are the most attractive race.
Further explanation are on the source such as "one of the evidence of Asians are smarter is that only Asians who can make Anime up to this day".
for the anime, yes i agree, but in that some point are not true, like less hairy, what about they lived in east asia, even they not be like chinese or japanese but they still asia (and more hairy too :p )