What a wonderful idea. Take moving pictures and sounds, send them through the electromagnetic spectrum, and people anywhere within the reach of the signal can decode, view, and hear them at a remote location. And that's not to mention the endless hours sports programming. As long as fans can experience a vicarious sense of achievement and buy those products, everyone is happy. No wonder they are so annoying.
Some technology does just what it's supposed to do, but with annoying by-products.
In the case of the leaf blower, it's an obnoxious noise mixed with air pollution. Many communities have responded to the proliferation of this form of technological terrorism by limiting the time and duration of their use or simply outlawing them altogether.