Isn't it kinda offensive to lump every east Asian group together? OK, maybe it's not offensive. Isn't it odd that US laws target Orientals? What is an Oriental

Isn't it kinda offensive to lump every east Asian group together? OK, maybe it's not offensive. Isn't it odd that US laws target Orientals? What is an Oriental? Are sub-continental Indians oriental, are Australian aboriginals, do we care about natives of eastern Russia?