)
It has already been determined that the content that's on the default filter is there for the safety of the users who choose to visit the site from less-than-free countries. You know the type. It was brought up as a topic of discussion that similar content should be treated it as equal , even though most of those countries do not treat the content as equal.
It's a safety decision on behalf of both the users and PB. It takes 3 clicks to undo. I can't really say anything else on the matter as there's nothing else to say.