Should they need to? They should be free to scrape and represent, and ycom should be free to block them if they choose. When you pursue anti-rights relating to the ownership of information distribution you come to disgusting solutions like current copyright models.
I'm not saying hystry has any right, I'm just saying it was valuable to me. Like I mentioned in my other comments, the Comments page does almost everything hystry does, it's just missing a little story context.
