I hope I speak for all of us when I say that this is not a discussion we can productively have on HN.
The "dreads" issue is at least marginally interesting to HN, if only to send loud-and-clear the message of "DON'T MENTION SOMEONE'S HAIR AS A HIRING CRITERIA".
yeah it went so well the last time it happened; keep ridiculing. http://news.ycombinator.com/item?id=1641042
you do believe that the government's caring about your health is the reason why ganja is outlawed?