Flyaway, you couldn’t fail any more even if you tried.
- Having a fat dude as a managing director
- Bitched WON
- Creating an SDK for modders to create a mod that recreates their old game to a newer engine that takes about 7 to release
Stop ruining my opinion!> 
Their biggest mistake is letting Gabe handle public relations and communication with their fans.
Oh, because letting one of very few people who are both charismatic and nerdy communicate with a fanbase of mostly nerds was a mistake.
Gabe Newell’s only flaws are he’s fat and he likes to promise surprises to people who are later utterly disappointed by their contents.