The only way to keep players from doing something stupid is to Just Keep Talking.
Sadly, there is no way to keep the DM from doing something stupid, although offing one of his favorite NPCs might shut him up for a couple of minutes.
Was it a Hack?
A big chunk of the internet went down in October of 2016. What happened? Was it a hack?
This Game is Too Videogame-y
What's wrong with a game being "too videogameish"?
Deus Ex and The Treachery of Labels
Deus Ex Mankind Divided was a clumsy, tone-deaf allegory that thought it was clever, and it managed to annoy people of all political stripes.
Even allegedly smart people can make life-changing blunders that seem very, very obvious in retrospect.
A programming project where I set out to make a Minecraft-style world so I can experiment with Octree data.