There are dark occult connotations to how Kes separated. Why her "species" only live to 8 or 9. Her appearance. Neelix being a bad chef. Neelix being fully emotional and not too smart.
Since when was Neelix a bad chef? People like Tom Paris, who seemed to prefer bland food, couldn't deal with Neelix's Delta Quadrant cuisine or his take on Earth cuisine.
By the way, I've said this once and I'll say it again. "Picard" has finally convinced me that the Trek franchise needs to end - sooner or later. I prefer sooner.