Older Sibling is Watching You

Selena Cuffe, President and CEO of Heritage Link Brands, LLC, banks at First Republic. From ad posters she says,

It's not really a bank--it's like having an older sibling look out for your best interests.

I wonder if Mrs. Cuffe is paraphrasing, gender-neutral--like, a quote from the first page of 1984:

It was one of those pictures which are so contrived that the eyes follow you about when you move. Big Brother is Watching You, the caption beneath it ran.