Isn't that precisely the point of the entire article? It literally ends with encouraging you to try the other one. People don't need encouragement to do easy things.

Yeah, I'm an interrupter and it's a tough urge to suppress. That said, I can and absolutely do suppress it, especially in meetings with people who I know are not interrupters, so it definitely frustrates me when there are interrupters who just make no urge to suppress it. In those cases, I try to use my interrupting for good - interrupt the interrupter to ask the very smart but quiet non-interrupters in the room for their thoughts.