Julius Kivimaki was convicted of over 50,000 counts of cyber-crime in Finland (including shutting down the PSN and Xbox Live during Christmas) and didnt get any jail time.
The Daybreak Game Company has swung the banhammer at over 30,000 cheaters in H1Z1, but they'll let you come back, if you ask apologize... in a YouTube video.
Sony Online Entertainment has undergone some massive changes over the past two weeks, including the laying off of David Georgeson, the current face of the Everquest series.