Yes, desperation can lead to hiring mistakes, but, more often, desperation guarantees mistakes will be made. Being desperate to hire someone is like going to the grocery store after you havent eaten for the last three days. Everything will look delicious — even foods you dont normally like.
When youre hungry to hire someone, youll be more prone than usual to make the mistake of hiring a person who is a great applicant, but who will not be a great employee.