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.
What was the problem with the Playstation 3 hardware and why did Sony build it that way?
How to Forum
Dear people of the internet: Please stop doing these horrible idiotic things when you talk to each other.
Why The Christmas Shopping Season is Worse Every Year
Everyone hates Black Friday sales. Even retailers! So why does it exist?
There's a wonderful way to balance difficulty in RPGs, and designers try to prevent it. For some reason.
Batman v. Superman Wasn't All Bad
It's not a good movie, but it was made with good intentions and if you look closely you can find a few interesting ideas.