Hmmm ... what stuck out for me was this

I think he made it quite clear that it is his opinion and he is as entitled to express it as much as anyone here is entitled to express theirs. Of course, someone who is a devout believer in non-medicalised birth is not going to agree with what he has written but that doesn't make him arrogant, any more than it makes some of the opinions expressed on here arrogant.

And THAT is just my opinion. =)
I agree with Melbo.