Under a pall of gray clouds and cutting winds last Thursday morning, a crowd of misty-eyed stalwarts bid farewell to Drakes Bay Oyster Company as the farm shut down its cannery and retail shop for the last time.

The group of supporters struggled with a fraught mix of emotions: anger, sadness and honor, as John Wick of Marin Carbon Project put it. The day was a celebration of an oyster farm’s legacy that for many…