> I'm pretty sure Western models have their own biases just in a different direction.

This statement warrants testing.

If we don't see an equivalent study out in a few days saying that this is true, it's clearly false. The methodology of the study was clear and easy to replicate (in short order, though you'll need the hardware/money for tokens). No reason why other groups shouldn't be performing the same exact tests with Western models (open weights or not).