Errr, I think that's enough of the general instructor bashing thank you very much.
I have worked in numerous schools around the country, doing all sorts of teaching, from ab-initio PPL to IR and have to say that the VAST majority of instructor are a pleasure to be associated with.
There are the odd few who can be as blunt as a blunt thing, but they are relatively few in number.
Occasionally people clash, but it is fairly rare. (only happened to me once, and I changed the student to a different instructor as I didn't think I was getting through to them well enough.)
Instructing can be a fantastic job, but it can also be terrifying, frustrating and downright dangerous on occasion.
Oh and Niknak, I'm now a 'part-timer' and I can promise you that I'm not an egotistical coward. Just hope I don't do your next revalidation check........