What do you think about reusing ticket info? Like a feature where a rep can optionally add a BCC email ID while replying to a client that saves the response to

What do you think about reusing ticket info? Like a feature where a rep can optionally add a BCC email ID while replying to a client that saves the response to the search database. Can help increase content without disturbing the workflow? Private info like name, email Credit cards, pins can be blacked out.