I see marketing and selling as synonomous with “presenting”. When I tell someone about the amazing gift of God I am, by definition, selling and marketing. That is really all I was trying to point out. If I try to convince a chef that I have this great ceramic knife and I am willing to give it to him free, I still have to sell it. I have to offer a motivation for him to reach out and grab it as well as quell his fears that it may harm him if he makes the attempt. Further, I am marketing by speaking a language he understands.
I know this is a silly example, but I am merely trying to point out that words like “marketing” in no way offend me when discussing the presentation of the gospel or anything else to people. My offense or lack thereof comes from the context or what the person actually means when they say “marketing”.