Earlier quoted context omitted.
I have this issue too, I think it also has to do a bit with cultural background sometimes. I grew up in a hispanic family in a majority hispanic community, where my everyday conversation with people was people talking over each other. It was common to start making your point while the other person was still finishing theirs. The difference is, because everyone did it, we would just keep talking , even if we were cut…
"I have this issue too, I think it also has to do a bit with cultural background sometimes." Completely agree. I'm not Hispanic, but I grew up in the south in a household where talking over each other was the norm. A different culture, but culture indeed. College is also where I learned this was considered bad practice / rude
I think it's important to note that it is considered bad/rude in most american culture. Manners are relative to the culture you are living in. This style is certainly not rude in Cuban circles, for example.
It's like how belching at a restaurant is rude in the US, but a sign of respect to the chef in Japan.