More manifest stupidity
You know how sometimes you see a news story and your brain just revolts? When the sheer, cretinous absurdity of something just wells up and overcomes the faculties?
This initiative, to protect those who cannot concurrently walk and chew gum, exists to erect padding on lamposts, so that people walking into them don’t get a bump.
If this were an actual problem, which Harry doubts, his solution would be far simpler. He would erect signs in the affected areas:

April 25th, 2008 at 16:45
oh harry - it’s a lovely idea but they wouldn’t see them; they’d bump into them; they’d sue you; you’d be bankrupted defending the action; you’d lose your house, live on the street you teeth would go black and you’d have to waste your days ranting incoherently at random passers-by while swigging from a dented can of special brew.
you just need to think a bit more about things.