Isn't planning out binges a sign of BED? Pretty sure that if any (real) HF model started talking about her exact pre-fw diet everyone would label her as anorexic, so why is this any different?
I would say it's definitely not a healthy mindset. Unfortunately, most people think it makes her "relatable", not eating disordered. In general, when people constantly talk about food, think about food etc, it's a sign that something's off (see: Jennifer Lawrence).