It would be rude for the newcomers

You did see the "such as", dinn' ye? It hasn't to be just literally that line.

But see, running h2xs -AX -n Quux yields the following DESCRIPTION pod

    Stub documentation for Quux, created by h2xs. It looks like the
    author of the extension was negligent enough to leave the stub
    unedited.

    Blah blah blah.
[download]

so I guess a similar default text could pass as "good practice"...

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}