I was being naiive, but I fully expected that Steemit Inc developers, all contributors to GitHub, and at least a few top witness were running testnets with simulated transactions for every extreme edge case permutation. After the Hardfork 18 debacle, it was obvious that proper stress tests and simulations were necessary, but here we are - same old story. Looks like everyone has slacked off and forgotten how crucial QC is to any venture.
Even as a low ranked witness I (and everyone of us) have obviously failed. I need to contemplate whether this is a responsibility I want to continue with going forward, given I do not possess the skills audit code and run simulations. In the past, lower ranked, non-developer, community-oriented witnesses could leave the engineering stuff to Steemit Inc and top witnesses. But clearly, this is a failed assumption I cannot make again.
Anyway, thank you for pushing the discussion forward.