Now compare this with the standard for, oh, say, stockbrokers--you know the folks you give all your savings to, hoping they will invest it for you and fund your retirement? In order to become a stockbroker you have to pass an exam. On that exam you have to get 60% right to pass. So your stockbroker, the guy whose competence you trust, might have gotten 40% of the questions wrong on the exam. Think about that for a minute.
And don't get me started on journalists and people in the media. As far as I can tell, apart from smug, self-righteous bias, they have no competence.
Now let's hear a couple of nicely competent musicians: