I assume you mean that you interpret what I've said as implying anyone who does not know about NTP amplification attacks is an amateur server administrator. I do not mean to imply that. I simply mean that for people like myself, who are in fact amateur server administrators, this sort of down-to-earth style of article (here is what the problem is; here is how to deal with it) is very welcome.

Although it's only academic at this point, I am curious why you think I used the word "amateur" pejoratively and what category you believe I am describing in error. I ask simply because I'd like to avoid making similar errors in the future.