Why do some homeowners and lawn care companies insist on using b

Lower Township - Why do some homeowners and lawn care companies insist on using blowers to move grass clippings into the street? You're driving along and then suddenly startled by a green cloud blowing toward you, hopefully not swerving to avoid. Blow that stuff on your lawn, use a bag on your mower. It doesn't belong on the street and there is no reason to put it there.