Richard Ames wrote:
There are some useful guidelines at https://meta.wikimedia.org/wiki/Mailing_lists/Guidelines Please read and consider.
https://wiki.toolserver.org/view/Mailing_list_etiquette (linked from the "See also" section) addresses the issue of quoting more directly. While I agree with you, I think it's a bit of a hopeless battle. :-)
MZMcBride