I learned from different guys I played with, too. The key was probably three people: The good Lord, the offensive linemen I played with and great fullbacks that could block very well.
Ice shelves in general have episodic carvings and there can be large icebergs breaking off - I'm talking 100km or 200km long - every 10 or 20 or 50 years.
At its best, entertainment is going to be a subjective thing that can't win for everyone, while at worst, a particular game just becomes a random symbol for petty tribal behavior.