Does this logic apply to software? When someone creates a giant slow insecure spaghetti monster piece of code do you rush out and hire them as a consultant to

Does this logic apply to software? When someone creates a giant slow insecure spaghetti monster piece of code do you rush out and hire them as a consultant to fix it? Are they not the last person that should do that job given that they are the only ones that have proven that that they cannot?