NBC's adaptation is successful because it takes the central message from the BBC creators Ricky Gervais and Stephen Merchant's work, the well-used notion that life is really about the unexpected significance we find in everyday human interactions, and absorbs it into the modern American sitcom.
Some commentators on Mr Thom's work question whether the momentous events of history can really be called catastrophes, using the word in the sense that they were totally unexpected interruptions of an ordered existence.