Curb their enthusiasm

Baratunde stumbles across major road construction near Charles Street the other day - only to find all the workers were doing was replacing curbstones. And he wonders, when homeless people still roam the streets, why is the city replacing dirty curbs?

... I could understand if the old curbs weren't there at all, nothing but a gaping hole in the sidewalk tripping up old blue blooded ladies. I could get it if the curbs had somehow crumbled into minute, shards of super-sharp gravel, shredding the paws of massaged and groomed brahman poodles.

But none of this was the case. The only problem with the curbs I could see is that they were dirty. ...