If you are morbidly obese, it's your own fault and you deserve no sympathy.
If you are a heavy smoker and get cancer (or something similar), it's your own fault and you deserve no sympathy.
If you get HIV by engaging in behavior that you have been told not to engage in, and/or failing to use protective measures that you know would have protected you, you are completely blameless and an innocent victim - deserving of great compassion and support.
If you are a destitute single mother because you engaged in reproductive behavior with no husband, no job, and no prospects of getting either one of them in the foreseeable future, you are an innocent victim and deserving of great compassion and financial support.