Unfair and false comments

It is seriously very unfair to post comments that are not substantiated! It is very easy to post any comment on your site, very difficult to remove especially if the claims are false. To put it bluntly so that I hit the nail on the head, ( without offending any person, excludes ANY rear person and is purely stated to prove a point), I am able with Hellopeter to say, "***x is a ****" without any substantial proof. According to real life, this person's name is "tarnished" in the public arena and the onus is on her to prove otherwise. Fair???.....I am sure the world will agree with me! It would only make Hellopeter a more legitimate platform, and not just enable it to post any comments from any frustrated and often misinformed and malicious people. Trust I will find some justice. Regards John