They emit a noise at a decibel range that pierces into a man's brain, causing great distress. It's a terrible droning noise that penetrates deeper into the brain than any other power tool. A noise that makes a man want to hurt, nay kill the perpetrator. This is the time of year when I glare out the window at my neighbors as they fruitless blow leaves from one place to another. They don't realize the disdain I hold for them. But I know...
Maybe you have misophonia? For many individuals, it’s a strong aversion to the noise of other people eating food near them, or even other people breathing. Some people describe the feeling they get as intense hatred, almost to the point of barely being able to control themselves from doing violent harm to stop it. Just ask my wife. 😀
But for any particular person, the triggers can be any type of sound.