This site is private property and private territory. It does
So, there's no formal policy. The owner decides on his sole discretion to open a particular comment or to keep it hidden forever.
Please note that any attempts to challenge the list of taboos are explicitly declared to be unwelcome here, so comments that contain anything like that will not be revealed nor responded in any way.
No, this has nothing to do with censorship. Create your own site and write there anything you like. If someone tries to prevent you from writing what you want on your own site, that would be censorship. Whenever you are not given the opportunity to use someone else's site (or someone else's property of any other kind) for your own purposes, this is basically what the word 'property' means.