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.
Could Have Been Great
Here are four games that could have been much better with just a little more work.
The Truth About Piracy
What are publishers doing to fight piracy and why is it all wrong?
The Loot Lottery
What makes the gameplay of Borderlands so addictive for some, and what does that have to do with slot machines?
PC Gaming Golden Age
It's not a legend. It was real. There was a time before DLC. Before DRM. Before crappy ports. It was glorious.
The Disappointment Engine
No Man's Sky is a game seemingly engineered to create a cycle of anticipation and disappointment.