Odd how lawyers did not stick to the basic rule of letting off steam/having arguments face to face or by phone! Reminds me of the e-mail banter between bankers in London when they were basically fiddling the LIBOR rates. Perhaps it takes a generation to fully understand a new communications technology.
Even before I clicked the link, I knew it would be by Matt Levine. He writes excellent Bloomberg View pieces. He formerly wrote for dealbreaker.com, a snarky site that covers the travails and misdeeds of Wall Street.