It's a good way to filter out the crazy crackpot opinions, not to say these aren't of any value but when you don't have time to be an expert in a field you are

It's a good way to filter out the crazy crackpot opinions, not to say these aren't of any value but when you don't have time to be an expert in a field you are much better off trusting those that have had their viewpoints put through rigorous peer review over those who haven't.