Actually, I recently watched a video about vulnerable narcissists and she definitely fits the bill in my opinion (take that with a grain of salt).
One of the defense tactics is lying, of course, but justifying that lying because the people being lied to are beneath her, and the convenience of lying is more important than the concerns of the inferior people (haydur nation). Reminded me of the urologist saga. Those stupid voicemails lmao.
He also compared confrontation with a tennis ball. When you toss the ball to somebody, when you criticize them, a normal person might catch it and address it. A grandiose narcissist will dodge the ball and ignore it. But the vulnerable narcissist, which I think applies to amberlynn, will smack the tennis ball back. Instead of taking the critique as an opportunity to change, it is painful, so she strikes it back for revenge. "Maybe I'm problematic but you guys are fucking dispeckful pieces of shit." Hence being 500 lbs toddler - unable to accept criticism like a functional adult because she cant handle that stress to her ego.
I like his explanation of how people like her rationalize their reactions to criticism.
Here's the video if anyone is interested: