Why did Japan return for Jones after lacklustre Australia tenure?

He resigned after a disastrous nine-month spell back in charge of Australia, and was sacked by England before that. So why have Japan decided to re-hire Eddie Jones?

Why did Japan return for Jones after lacklustre Australia tenure?
He resigned after a disastrous nine-month spell back in charge of Australia, and was sacked by England before that. So why have Japan decided to re-hire Eddie Jones?