IME, a big part of the irritation is caused by the irregular throttle inputs by the operator. The continuous revving->idle->revving is what bothers me the most

IME, a big part of the irritation is caused by the irregular throttle inputs by the operator. The continuous revving->idle->revving is what bothers me the most. If they kept the throttle constant, like a lawnmower, it would be easier to ignore and less distracting/obnoxious.