Not all Asians are Chinese, but the average Yankee Doodle Dumb Fuck wouldn’t know what other countries are in Asia aside from China, Japan, and Korea.
I’m also going to wager that it’s also fallout from Q/Covid-is-Fake conspiracy theories. They lost their ace in the (corn)hole and now they feel powerless, so they go after the most powerless members of the group they believe is responsible for their suffering.
I’m hoping this tourist season here is free of that nonsense, the bennys are bad enough on a regular year.