You're describing a barker not an interrupter. A barker will insist on continuing their own rant to their own end, so they cannot be corrected. The interrupter will let themselves be interrupted in turn, so they can always be corrected.
^ This.
In my family, the quickest way to find out if you're wrong is to assert something that's false. It may not surprise you to find out that both of my parents were once programmers.
