The creature said we would be protected against changes. That isn't the point. The point is, how do we know when the Star began to be built? You know, the moon's been there for a long time. How are we supposed to destroy a moon on our own steam? And don't say "The Force"; you heard what that creature said...
*looks suspiciously at Odin and Vidar*
What was this "Holocaust" he was talking about? 80% of the galaxy's intelligent life?