I struggle to believe that someone would find it worth that much money to have a decompiled version of a game they also commit to keeping private.

> they also commit to keeping private

Reading between the lines:

"The avid reader of my blog might have noticed that I had previously written two posts that have since been removed. Everyone else might now be wondering which game I am talking about. To both of you I can only say that corporate America was here to ruin our fun."

Keeping it private likely wasn't the original plan...