In one-on-one meetings we're usually discussing some technical detail or issue, and one or both of us will be looking at an IDE, or a document, or something tha

In one-on-one meetings we're usually discussing some technical detail or issue, and one or both of us will be looking at an IDE, or a document, or something that is not the browser tab where the audio is coming from. Not having a camera distracting me helps me to help the other party and give them my full concentration. This is amply reflected in the audio, just like a telephone call, and in a one-on-one call you can both just leave the mic open and have a normal conversation with all the social cues audio communication offers.