As a Perl developer i mean this literally and transfer it to other languages as well. POD (or a block comment above a function) describes the API and use cases of the function. Inline comments inside the function exist only to provide explanation for the next maintainer when they see a strange construct. Any other type of comment needs to be refactored.
Also, i never said documentation isn't useful. HOW and WHY are useful. WHAT in documentation and comments isn't because it should be in the variable/function/method/class/instance name.
(Who/Where/When are covered by the source repository and the blame function.)
Probably overly generalized to be pithy, but no.
Comments are by very definition documentation, which can and should cover of all of the what/why/who/how/where.
Documentation that occasionally explains how to use code can actually be useful!
Unless you actually get around to writing a user manual (which gets out of date), please do consider documenting how something should be used, particularly in libraries.