If it's any consolation, I think we all agree this is a general human problem instead of a problem with the men doing the labor. Why does the company require this service? Why do customers request it? How can people think a few leaves are bad? Etc.

People have very strange ideas about landscaping, and that usually means bad things for the environment. eg: "I'm a fully functioning adult, but I couldn't bear to see two kinds of grass so I had to cover the whole lawn with a neurotoxin."