If you're looking for someone who has actual high level expertise working on AIX or FreeBSD, having some dude tell you that Linux is the same as Unix or asserting that knowing what POSIX means is equivalent to having production knowledge of AIX/FreeBSD for a production engineering role is not very productive.
The recruiter handled himself professionally and should be commended for not being bullied. Mr. Zhang sounds like a punk, and would probably be better served by pulling the image.
The recruiter handled himself professionally and should be commended for not being bullied. Mr. Zhang sounds like a punk, and would probably be better served by pulling the image.