Your light our vector into the broken hearts society or maybe, just sour grapes along the way. Or not, while take heed wise one of the life well lived, the notion that a narcissist can never see the light is extreme. Not that I have a problem with the notion of being extreme but as notions go, extreme suggest bias. Bias suggests another matter entirely.
Step back. Take a break. Not from the work, but the driving forces that create extremes when the truth is always in the seams of gray.
This I believe and this is what I suggest; all narcs are a sad consequence domiciled in the twisted mind of an arrested, defensive and yes, deeply trouble mind. The trouble is in the void. The lack of empathy as the derivative to the non belief in love. Love that was never there when love was most needed.
Can that mind take heed and change? Yes. Rare while yes. That said, rare is not extreme. Nor a unicorn. Nor bias, While I am suggesting there is more to the picture than meets the first intention. Or notion. Or broken heart. Your broken heart. And likely the lost world that existed before the fracture.
Personally, I feel your pain. And yes, I deeply empathize with the crucible you have navigated. And as your essay suggests, still are.
So please know this sage of sages, this day belongs to those aware. Aware of what drives them not what emotions create when their unicorn comes calling. While your work is noble it requires a touch of what awareness creates, a solid set of premises for every assumption. Solid being void of profound bias.
Good luck and safe journey.
Eric