This is helpful for redditors who are either live or being in a countries/areas with DNS-based censorship, so accessing reddit through IP might give them some good way to bypass restrictions (as long as there is no IP address-based restrictions).
myaarpmedicare.com
Yes that is correct, but back- and frontend are always running on the pi. So they are always in the same network (back- and frontend), but the backend does not have the same ip address if they both(back- and frontend) move to another network.