Today's current exchange rate is 5.41 coins for $5000.00.
The article doesn't say how long he had the system running. But if it had any serious processing power, and he got 1 coin per month for six months? That's breaking even.
If he managed to do it longer than six months, then that's a profit, especially since he didn't tie up too much time in court trying to plead not guilty.
I would say, "Not bad!", but we don't know how long he was running the software. And he's not likely to say, either.