I am curious, how could you possibly know if a car on Craigslist or eBay belongs to a forum member or not? Do you ask them?
No I don't ask. The distinction involves who is posting. If I post MY car on this forum for sale, and ask whatever price I want, then 'usual' forum rules on most old car forums (I am active here, on the Cadillac LaSalle Club forum and the AACA forums) do not allow for pricing comments. BUT, for the kind of posts we typically see on this forum where someone finds an interesting car it leads to discussion. Most of us are not buyers, but when an interesting KF is found, it's fun to talk about it, which is all OK as long it does not belong to one of the 900 or so members.