Is there a bug in the iPhone X's ringer?

Episode 1437
Todd fromTodd just got the iPhone X. He likes it. He doesn't even notice "the notch." Leo says you don't really notice it until you see a page that has a white background. Then it pops. And there are some apps that have to be updated to make room for it. David thinks there may be a bug though. When the screen is unlocked, the ring isn't very loud when he gets a call. Leo says that's probably a feature since he's already looking at the phone. So why would he need a loud ring?