Even if the fine were to reach half of what he spent on Twitter, he would have to pay them $687,000/day for longer than the average life expectancy in the healthiest country on earth (87 years). A billion is such an absurd number.
Yeah, and he'll never be able to go down under again. I'm not sure what he thinks of Australia, or if he's ever been here. But that's one less potential holiday destination for him in the event twitter gets convicted.