Disney did what he wanted to do and had no interest in the originals. I loved the Jungle Books as a child and am really annoyed with what he did with Kipling. An Orangutan in India was about the last straw for me.
Just read a bit on Mary Poppins
"..re, Mary Poppins—the real one—possesses few of the personality traits (kindness, gentleness, humility, suggestibility, attachment) that traditionally have been associated with ideal womanhood in Western societies. Yet despite of this, and perhaps because of this, her performance of motherhood reigns supreme. Despite what could be construed as a severe lack of empathy (and minus the implied innate goodness, possible sociopathy), MP channels efficiency like no one else. When she enters the chaotic Banks household, order and structure win the day.."
"...In Myth, Symbol, and Meaning in Mary Poppins, Giorgia Grilli compares Mary Poppins to the Victorian dandy, whose antisocial tendencies and open revulsion with others “established a distance between himself and the somewhat distasteful world of those surrounding him.” Like the dandy, who protests a “ready-made world of predictability and control,” MP often distinguishes herself from the Banks family and other mortals (more than once, it is implied that she is immortal). Grilli goes on to argue that Mary Poppins’ pristine outward presentation is “no mere aesthetic attitude” but rather a “form of ceremony” intended to “subvert…[the] small-mindedness” of those living in the conventional world..."