Agreed. If you need a comment to tell you what the function does, you should think deep about naming, and if this fails, consider if this is the correct abstraction. Comments are a way to kick the can down the road - "I was unable to make this code clear enough, so here is the hint to help you".

Edit: sometimes the comments are the best of all evils, and you should use them to explain the constraints that led to this code - they just shouldn't be mandatory.