Why is the drone of flies described as cruel?

The drone of flies is often described as cruel because it represents a relentless, annoying presence that disrupts peace and tranquility. The persistent buzzing can evoke feelings of irritation and discomfort, symbolizing the invasive nature of pests in our lives. Additionally, the drone can be associated with decay and filth, reminding us of mortality and the darker aspects of nature. This combination of annoyance and unsettling imagery contributes to the perception of the fly's drone as cruel.