I really can't see where African Drunk is actually having a "pop" at Mr Fisher. Why your concern? Sounds like a plea to leave the poor boy alone. What about the free advertising which Mr Fisher attempts to solicit on PPRuNe? Is that ok? Is Mr Fisher too poor or mean to pay for it? Other school proprietors do! Many questions, but the answers are a bit too slick for my liking!
Edit: Here are a couple of useful links for you Mr Fisher;
http://www.pprune.org/go.php?go=/ptorder/ptorder.htm
http://www.pprune.org/advert.php