In this very specific context, your are absolutely right since the main problem is not the little annoyance experimented by the email receivers, but the global

In this very specific context, your are absolutely right since the main problem is not the little annoyance experimented by the email receivers, but the global overloading of the mailing infrastructure. But this is a really exceptionnel situation, while being trapped in a reply-to-all loop is not that uncommon.