The Chinese men and women I knew in Taiwan (I lived there for most of the 90s) had no trouble packing it away. And those Tibetans were mean drunks!
Fewer Asians at college keggers may simply mean that they are a little more serious about their studies than the average Joe (or Jane) Campus. If so, good for them!
NOT ALL Asians have the gene that makes them turn red and puke their guts out from alcohol poisoning ~ but plenty do.