I love the title for this week's episode.
My Name is Datak Tarr and I Have Come to Kill You
i'd agree with that too, but kinda spoils his fate (temporarily), no?
Not necessarily. From the plot description it sounds like it's going to be heavy on flashbacks, basically Datak's life flashing before his eyes as he hangs from the shaming rack. That quote could very well refer to something relevant to those flashbacks.
Mind you, none of us should be surprised if he does indeed survive this ordeal. In fact, I wouldn't be surprised if the final scene of the series is an elderly Datak sitting on his porch smiling over the fact he outlived everyone else from the cast.