Yes - I think INTJ's are maybe the only mbti type that truly get how 'different' INFJ's are, because they are themselves almost. I think I've read that INTJ's seem to be the most individual type, and there's certainly been a real variation on the ones I've met. My former manager was an INTJ and he was great, he got into difficulty with a member of staff (who was horrendous) and I backed him up, because he did nothing wrong. It kind of cost me a bit among some colleagues, and I think he knew and appreciated it that I stuck my neck out.
However I have to say his boss was an INTJ, and I've never met a more egotistical, dishonest piece of work. Naturally he's been very successful at work, despite leaving a trail of destruction and failure in his wake. He picked a row with me in front of a room full of colleagues one day, and I waited for them all to leave. Once we were alone and I challenged him, he folded like a wet towel, apologizing (insincerely) and promising never to repeat it. Grrr !!
Overall though I prefer to think of INTJ's being like my father, incredibly smart, quiet and with a steely intellectual determination. That to me, is the the more typical INTJ. I was very friendly with an INTJ on this forum some time ago, but sadly she left. I do think INTJ women get a harder time than INTJ men, some of the more 'T' behavior seems to be more accepted from men, than women, which is unfair.