It is so important to have a strong point of view. Let me repeat: it is so important to have a strong point of view. It needn’t be as extreme as the one voiced in this ad, but you’ve got to stand for something.
If you don’t have a point of view, you won’t know what you don’t stand for, and so you’ll be tempted to try and do everything, because “no” won’t be in your vocabulary.
And see the video there too.