She is annoyed with the people saying she is part of a group that runs the world, explaining the fact that she stood out among many others, invalidating her hard work and talent.
I understood what you wanted to say, but she means that she could do what she idealized to help people in need, and this reached a size and a power that she never imagined reaching.
"Benji's" is slang for "Benjamin Franklin" who appears in the -one-hundred-dollar bills. Then, in this line, she means she has so many hundred-dollar bills that can't spend them because of the amount.