Quote from Martinghoul:
What is the point then?
You're absolutely right about selling vol, but it's only sensible if you don't have to mark-to-market. This is exactly what insurance companies do, they sell vol to us. Obviously, it's the nature of their biz that they also can't structurally avoid 'delta', so they have to be right about the underlying distribution and the price they sell their policies (puts/calls) at.
It's not insurance as the book of underwritten premium is not diversified.
Event-risk in insurance is analogous to the payout on an American barrier-option. Buffett's play is a Euro-barrier.
Your point about distribution makes my point on relative-price/vol-line.