What I'm going to write below is nothing new for anyone who've done fully fledged distributed systems development. BEAM veterans, hAkkers, Rafters, ZooKeeper consensus pursuers or Paxos tribe would probably call me Cpt. Obvious, but surprisingly (or not) majority of .NET people I meet & talk to still live the myth of ... Infallible system Developers worship Defensive Programming. Once they realize (some never do) that there's something else but the Happy Path, they do whatever they can go get back to it ASAP when derailed a bit. They are fully convinced that they are not only capable of identifying all…