I wonder what those "fond memories" were! She either had a very vivid imagination or maybe she was going through a tough time.
There is no excusing such comments, but as you rightly point out production staff could have surely done some research and edited out the unfortunate comments.
That situation would never have occurred on my watch. Not sure who was taking care of her at that particular time but he/she was certainly not doing their job to an acceptable standard.
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