I WONDER - Why Do Bees And Wasps Have Stripes?

The video explains how bees and wasps use their bold stripes as a warning to predators about their ability to sting. It also describes how hoverflies mimic this appearance to deceive predators into thinking they are dangerous, even though they cannot sting.

In what way do the stripes of the Hoverfly mislead predators?

What does the phrase 'How clever' imply about the defense mechanisms of these insects?