Please move this discussion to the xxxx.yyyy.zzzz newsgroup ...without doing anything else.
This is the Frequently Given Answer to such requests.
Add the standard Followup-To: header to your message. That is exactly what it is there for.
What you have said is exactly what the Followup-To: header actually implies. The advantage of using the Followup-To: header is that it makes life easier for respondents, because most well-written newsreaders will automatically pick up and use in any replies the newsgroups that have been specified in the Followup-To: header of your message.