Too much heads down trying to use all the technology to do a basic task.
I completely agree with your statement and the visual approach thoughts been put forward. Buuuut.....
Annoyingly, the 320 can go into NAV during a go around depending on the mod status, so if the box isn’t sequenced correctly (common on a VA) it can get ugly during a go around. So there is some necessity in heads down to set it up, or it’s a higher workload should you go around.