I'm a guy and people interrupt, ignore, or talk over me all the time. It's got more to do with the communications protocol. E.g., I usually make a small sound

I'm a guy and people interrupt, ignore, or talk over me all the time. It's got more to do with the communications protocol. E.g., I usually make a small sound before I start talking, as a form of reservation. Usually just a loud intake of breath. That fails with some people. They just keep going.