"Writing code to map back and forth between bits-on-the-wire and program data structures is a very bad use of developer time." I'm going to disagree. Those tra

"Writing code to map back and forth between bits-on-the-wire and program data structures is a very bad use of developer time." I'm going to disagree. Those transitions happen very frequently and can materially affect both latency and throughput. Spending developer time on these things can give a large return. "Among other things, most messages are in JSON..." Ah.