[eertami]

Try talking while they are also talking. You'll see the problem.

It's easy to have conversations with friends on discord where 3-4 people are talking at once all with headphones. However this has never worked on a zoom or hangout with less techy family members or work colleagues using ext. speakers.

[ghaff]

That may be part of it. On calls that I'm on people generally don't talk over each other.