Lucifer symbolized by the serpent sought to thwart the plan of God, just as he did in inspiring wicked men to crucify the Saviour. In all these and other actions, his meddling is foreknown, catered for in the plan and ultimately turned to enable the requisite purpose.
Choice is only possible when you have multiple diverse options.
What if, the story of creation was tinted to portray a 'creator/God' who manipulated the first humans & their environment so that they did not have innate access to the true creator/God. And this work was mixed into the true creator's story, with the 'false creator/God' being written of as the True creator and instructing them not to 'eat the fruit of knowledge' as this would trigger a re-connection to the true God. And the serpent was actually something entirely different who came to set their minds free and open them back up to the polarity's that shapes the path back to the true creator.