Notice that they never state she was an alcoholic. They also never atate she was a “high level” alcohol user. Just that she was an alcohol user.
You can make your own assumptions about her alcohol use, but in general these rules would also excluse a “normal” alcohol user with a congenital liver failure…
“We’re not tasked with providing clean affordable drinking water. We can’t be there. We’re in business.”
“We’re not tasked with preventing food poisoning or affordable healthy food. We can’t be there. We’re in business.”
What other examples can we make where “business” is an excuse for acting in a sociopathic way?