Suppose we can draw a random person from a profession to answer our question. If you want to know "what is probability?" you'd probably have better luck with statisticians than with philosophers. If you want to know "what is free will?" you should decide to talk to someone who's involved in computer chess. If you want to know "why is the universe the way it is?" the best version of "I don't know, and maybe anthropics" you'll get is from a physicist. If you want to know "what is good in life?" it's better to talk to an experimental psychologist.
Not just because these people have domain knowledge that's relevant to the philosophical question - also because they might actually be better at doing this bit of philosophy than a similarly-sampled philosopher.
If you want to know "what is good in life?" it's better to talk to an experimental psychologist.
Oh, boy X-D
And why an experimental psychologist is an expert on what is good in life?
Why Talk to Philosophers? Part I. by philosopher of science Wayne Myrvold.
See also Sean Carroll's own blog entry, Physicists Should Stop Saying Silly Things about Philosophy.
Sean classifies the disparaging comments physicists make about philosophy as follows: "Roughly speaking, physicists tend to have three different kinds of lazy critiques of philosophy: one that is totally dopey, one that is frustratingly annoying, and one that is deeply depressing". Specifically:
He counters each argument presented.
Personally, I am underwhelmed, since he does not address the point of view that philosophy is great at asking interesting questions but lousy at answering them. Typically, an interesting answer to a philosophical question requires first recasting it in a falsifiable form, so that is becomes a natural science question, be it physics, cognitive sciences, AI research or something else. This is locally known as hacking away at the edges. Philosophical questions don't have philosophical answers.