From the farewell message on the Terraria boards, it looks like he's going to open source it soon. Until then, he points out that the jars are not obfuscated for a reason.
Also, intellectual property must be defended. If he chooses not to defend it, then there's no foul, just the potential for trouble down the road.
Also, intellectual property must be defended. If he chooses not to defend it, then there's no foul, just the potential for trouble down the road.