The rules about titles on Hacker News are both stupidly strict and then erratically enforced: a bad combination. dang said he would bring more transparency to this, and he has done so where he comments, but I assume, his time being finite, he often has to focus on other things, which leads to the erratic nature of the enforcement. I do wish they would allow more freedom about titles and also about article submissions. I'd also love to see more transparency about why certain articles are forbidden, such as this one:
http://gawker.com/why-weve-decided-to-organize-1698246231