The outfit is still out there and still working.
But they've become more sophisticated and less violent.

The reassessed their risk/reward ratio and found that it was lucrative enough to convince a restaurateur that he might not get timely shipments of vegetables if he didn't also use their waste hauler or laundry.
It's a less profitable protection racket, but it's a lot less risky than chucking a Molotov cocktail through his window.