When you’re running away from a ravenous bear I can assure you, not from personal experience, that your mind is not filled with concerns other than going as fast as possible.
An undeniable benefit of urgency is that it mitigate the voice of analysis paralysis.
That said, urgency can also make you more brash and quick to dismiss potential opportunity cost.
However, I think we often lose out on opportunities because we simply didn’t take them, not because of poor execution.
After all, you can always learn from your mistakes.