This has nothing to do with health and everything to do with participating in and
reaping the benefits of an oppressive, racist system.
If you're disgusted by fat and fat people, that's something you were taught. You weren't born loathing fatness. That visceral disgust you feel is the product of decades of cultural conditioning.
You were taught that fatness is disgusting.
You were taught that fat people are lazy.
You were taught that fat people are liars.
You were taught that fat people are gluttons.
You were taught that fat people are sweaty.
You were taught that fat people are clumsy.
You were taught that fat people are undeserving.
You were taught that fat people are an aberration.
You were taught that fat people are diseased.
You were taught that fat people are unintelligent.
You were taught that fat people are gross.
Who profits when you believe these things? The diet industry profits. The cosmetics industry profits. The healthcare industry profits. And you profit, with the smug sense of superiority that only dehumanizing someone else can give you.
If you need to believe these things to feel good about yourself, what kind of a person does that make you?