Because it's a lot easier and more reliable to go out back and slaughter a pig than spend the day gathering shellfish. Expecially in the winter.
kAcknor Sez:
Sometimes the lack of common sense from those in academia is just overwhelming. "Richards said it's not clear why coastal people turned away so abruptly..."
To paraphrase: What part of cold, wet, windy, icy, North Atlantic/North Sea/English channel in an open rowboat with hand lines and nets don't they understand?
"bISovbejbe'DI' tImer" (When in doubt, surprise them.)
YESSSSSSSSSSSS