Note the "users" part in that sentence. If you self-distribute extensions _to other people on the internet_ then yeah, you probably want some web property for t

Note the "users" part in that sentence. If you self-distribute extensions _to other people on the internet_ then yeah, you probably want some web property for those files to live. Like a github repo, or a personal homepage, or AMO. And if you don't want to be subject to AMO's security review process, then out of those options, don't pick AMO.