Question: I don’t understand how keeping it open serves as a warning?
God’s answer:
You can choose.
Meaning of caveat: an explanation or warning that should be remembered when you are doing or thinking about something13
Question: So, it serves as a reminder so no one forgets what happens when one eats of the fruit of good and evil?
God’s answer:
Question: What do you mean?
God’s answer:
Question: So it no longer serves as a warning but so that those in Heaven do not forget us?
God’s answer:
Meaning: The purpose why the door is kept open changed from serving as a warning to a way to make those in Heaven remember us (fallen angels and man).