In that context it has nothing to do with racial purity. Its about representation and perception. Like how many people out there think of Keanu Reeves as an asian actor? Zero people. Now how many people will use him as evidence that asian-males get leads in these arguments? A ton of people.

Because Sessue Hayakawa was too much man for white people so they felt the need to 13 candles us and drop a century of media castration to keep their women safe from hot asian dick apparently. Basically the asian version of the jazzy black devil smoking his evil lettuce.