They do the same thing for simple he said, she said, non-technical reporting.
Something being a complex topic doesn't help, but the problem often isn't one of not being able to understand, but choosing not to understand before even making an attempt.
Even when that's not the case, any professional needs to know the limits of their capabilities. Reporters that don't understand a subject shouldn't be reporting on it (without help, at least). That they do is a reflection in their professional judgement.
Something being a complex topic doesn't help, but the problem often isn't one of not being able to understand, but choosing not to understand before even making an attempt.
Even when that's not the case, any professional needs to know the limits of their capabilities. Reporters that don't understand a subject shouldn't be reporting on it (without help, at least). That they do is a reflection in their professional judgement.