This "friend" of yours isn't remotely representative of most people on disability. Being well connected with wealthy powerful people tends to give you all kinds of advantages other people don't get.
The only special treatment she got was being bumped to the front of the list for her section 8 housing because of her impending "homelessness" was faked for the mayor.
Very typical stuff though. I work in lot of lower income (NYCHA) buildings in NYC and see this sorta stuff all the time.