Probably because of the needlessly aggressive pile on heir getting.

They make a reasonable point: first stage of hiring is filtering out people; this blog post will to some emoyers be ideal signal to cause OP to be filtered out; it might be an good idea to try a different style when looking for work.

I am sure the reason is he has employed people just like brokedev before and been burnt by them. He's likely taking out his aggression on previous bad experiences out on brokedev.