bug#50936: "(emacs) Help" does say how to find external packages

[Eli Zaretskii <eliz@gnu.org>]

> From: Stefan Kangas <stefan@marxist.se>
> Date: Fri, 1 Oct 2021 15:15:26 +0200
> Cc: 50936@debbugs.gnu.org
> 
> > More importantly, I think we should seriously consider whether such
> > text has its place in that section.  That section is supposed to be a
> > cookbook for quickly and efficiently find Emacs features, so it should
> > be limited to methods and commands that accurate, in the sense that
> > they don't present the user with long lists of potential hits.  By
> > contrast, list-packages shows a very long list of packages (more than
> > 400 as of this writing), which can easily overwhelm the user.  Even
> > "C-h p" doesn't show such long lists (the longest has 50 items), and
> > it is already too long, which is why it's the last in the list of
> > recommended methods.
> 
> That's a problem, but there is IMO no way around that as long as Emacs
> doesn't bundle packages like php-mode, haskell-mode, eglot or
> lsp-mode, markdown-mode, etc.

I don't understand the relevance, please elaborate.