Fact of the matter is that no treatment center will ever be able to help Amber because
Amber doesn't want to change. In order for any therapy to work, the patient needs to show some sort of drive or desire to get better. If the ailment isn't causing them distress, then obviously nothing can be treated. Amber's favorite (and only) hobbies are eating food and thinking about eating food. Her entire channel is dedicated to food, her identity is comprised of the Noble Fat Chick (*Noble because she's always "actively" seeking to lose weight), she goes food shopping for recreation or just lounges for hours on end. And like pecansandies wrote, she will corner anyone to tell her what she wants to hear regardless of how many times she's heard it.
What she wants to hear is a professional (of any field) say: "My god, you are a physical anomaly. We must pity you. Don't worry, your family, your friends, and the State will accommodate you and your life so you can continue on living in whichever way you choose to."
The only reason she managed to lose that weight initially (the fabled 89lbs) was because she saw no way that she could sustain her current life of eating, consuming, and being doted on because independence was coming fast and she needed to do something. Once YouTube and stupid girlfriends became a liable option, then that need to change was quickly tossed. The less she needed to change, the more she stuck to her eating, the more immense she became.
Also, idk where this talk about moving in with mom came from. That'll never happen bc no one wants her. I was thinking more along the line that she's grooming her audience into another season of My Mom Has Cancer And I Am Sad
but not sad enough to visit her or contact her in any way
ETA:
@SAVE TWINKIE! I got u