My problem with “looking at galaxies as they were 13 billion years in the past”

https://miro.medium.com/max/1296/0*i2j89i8mm8rZk_i_

My problem with "looking at galaxies as they were 13 billion years in the past" with the Hubble telescope is that 13 billion years ago, someone in our galaxy could see the light coming from a galaxy B. So, how could we still see B as it was 13 billion years ago if the light coming from B has already passed us by 13 billion years ago? How can it be the same sight?