2. Making the default for a generic reply to the individual commenter rather than to the group email addressGroup Owner(s) and Moderator with "Modify Group Settings" permissions can:
Admin: Settings: Message Policies: Reply To: Sender
You can reinforce this by checking the box just below that for: Remove Other Reply Options
THEN click on the "Update Group" blue button at bottom of page.
The page will then jump to the top and display "Your changes have been saved." in the green bar.