What I get, is that you don't approve of her choices, or mine, and believe that it will kill us both, and it's 'practically' suicide. I think it's fine to have that opinion. I personally do not approve of people feeding their children sugar or caffeine, but it's a pretty common practice. It's very unhealthy, and gearing kids towards unhealthy, obese eating habits is equal to murder if you think views on food intake is a direct response to mental illness. I only mention this very broad subject (I don't agree that is makes them murders, it's just an example) because you shouldn't draw the conclusion that 'All people who give their kids processed sugars want their children to be overweight and die.' The range of people is varied, and the reasons, just as diverse. The pool of people in that group, and in the Ana group, probably cannot be accurately put into a category of 'suicidal' or 'homicidal'. It just seems silly to group and label people in this manner, then to make aggressive comments on it.
As you said, only part of those who observe an Ana lifestyle, feel condemned to it by a mental illness. (And I do feel sorry and recommend help to anyone who feels they don't have the choice or self-control to stop at any time.) I'm not supporting her decision, because I don't have enough information from her to know if it was a choice. And neither does anyone else, unless they messaged her in world.
I do however, encourage a more open mind about such a lifestyle. If so many people can think it's okay to consume processed sugars and alcohol, certainly the same mindset should be applied to being Pro-Ana or Mia. I've been judged hard about my life choice to be this way, and I must admit, that it times it does hurt my feelings for people to discuss my choices as if I'm sick, and automatically assume I'm mentally damaged.
Even if people think she is sick or mentally ill, I'm surprised by the coarse and harsh responses in the thread. If people really think she's damaged and sick, I would have liked to see more sensitivity, rather than just a cold 'you're wrong'. But, that is what we open ourselves up to when we talk about ourselves online. Not everyone is going to be considerate.
And same to you! Hope the weather treats you well.