Let’s see... In the country illegally... Driving illegally... No mention if he’s using a false SSN, but that’ likely so go ahead and chuck in identity theft and he’s wondering what all the fuss is about?
Try doing any of that crap in Japan, or any other Asian country, and see how fast you get chucked out of the country.
There have been any number of stories on how brutal Mexico’s immigration laws are. In Japan, visas are strictly an administrative matter under the discretion of the Justice Ministry. They can deny or revoke any visa for any reason or for no reason at all.
Illegals? Hey, they catch them, they’re GONE! Sometimes on the same day they’re picked up. And this is not just something that happens to 3rd World economic migrants, either — as any number of American, Canadian and Europeans have found out.