Time to time I found comments like this: F**k you! Go to hell. After reporting this as Hate-Speech. Coming back to the video the comment is not removed at all. It's the same ideas over Unwanted commercial content or spam, Pornography or sexually explicit material, Hate speech or graphic violence, Harassment or bullying.
The irony works fine when you are reporting the comments on Your Own YouTube Channel. I have heard the same ideas about Google+ reporting system does not work. I maybe make a Blog about that as well. Would honest think if YouTube/Google want to make YouTube safe website for everyone. Parents, Kids, Preteens, Teens, Companies, other people use the website. Another thing that Ironic YouTube is having a crackdown on that content because of advertisers. Rather than focusing on the crackdown on the Comments with Death Threats, Racists, Hate Speech, Insults, other things. Truly does not matter if the comment is old or new still breaking the rules and laws of the website. You should force your rules and laws. I'm not surprised this the same website that only crackdown on YouTube Kid app over getting so much negative attention. Just like other company, website.