More than a decade ago I was included in one of these. It wasn’t work related per se, but the address list included a lot of experienced, BTDT, names-on-RFCs technology folks.
Yeah, even they got stuck in the mess of replying all, unsubscribing, lecturing people about not replying to all. It was a mess, but funny given the names involved. #neverdothis #noreplytoall