I will also add that it can get confusing when someone replies to a newsgroup posting that was originally suppressed to the mailing list. This has happened as recently as today.
On Thu, 2021-05-06 at 14:36 +0000, Grant Edwards wrote: > On 2021-05-06, Chris Angelico <ros...@gmail.com> wrote: > > On Thu, May 6, 2021 at 10:43 AM Avi Gross via Python-list > > <python-list@python.org> wrote: > > > > > > Chris, > > > > > > Given some notice, what stops anyone from joining the mailing > > > list before > > > there is a divorce between the forums? > > > > Nothing! Nothing at all. That is, if you're talking about *people*. > > People are absolutely welcome to join. The reason the S/N would > > improve is all the non-people who post to the newsgroup. > > > > But there are some people who simply don't want to use the mailing > > list, and that's currently a fully-welcomed option. I won't name > > names, but there definitely are people who would prefer a > > newsreader, > > Pointing a newsreader at news.gmane.io allows one to participate in > the mailing list just fine without using Usenet. > > Not that I support shutting down the Usenet/email gateway -- the > signal/noise ration seems fine to me. > > -- > Grant > > -- https://mail.python.org/mailman/listinfo/python-list