It's not, Japanese racists just harp on the incidents, like Anglosphere white supremacists types amplifying SAs by refugees or literally any black crime
There were four reported incidents in 2024 with 26,000 troops stationed there.
If you don't understand the further implications of such a low rate in literally any population you obviously don't give a shit about the problem anywhere for any genuine reason.
Now, if you want to talk about how Hegseth and co have deliberately hampered efforts to fight the incredibly high internal rape problem in the US military as a whole...