The problem with this philosophy is that while it's good for creating more urgency and lowering your Delay if you fail to get it done in your tight deadline, you might decrease your Expectancy in the process.

The Planning Fallacy Philosophy : The Planning Fallacy philosophy says that you should set longer deadlines than you expect you'll need since we're terrible at predicting how long projects will take us. According to Kahneman and Tversky, only 48% of students completed projects in a time estimate based on "everything going as poorly as it possibly could." Given this data, it seems we should double or quadruple our estimated time of completion to get an accurate view.