Around here, the weekly rag is dumped roadside, not even vaguely close to people's doors. Many are left to disintegrate in the rain, snow, wind. I'd estimate 75% of the rest go directly to the recycle bin. After having been rained on for several hours they're unreadable anyway.
Those who still rely on them due to no internet, the elderly, handicapped etc., are those that suffer. We all suffer from having to pick up someone else's garbage each week.
Your area must be different. To suggest supporting these people so they can continue littering our streets is beyond laughable. It does no good to complain or request a stop delivery. That's something that simply doesn't happen.
I feel bad for the printers but if they don't fix distribution then they've written their own demise. I certainly wouldn't put my advertising into a publication that gets tossed from someone's car.
Apparently Loblaws (huge grocery retailer operating several brands) has stopped printed flyers and has gone all digital. Others will follow.