To quote
ginmar on the Frienditto thing:
If you have signed up at Frienditto, please defriend me and I will reciprocate. This site is run by the LJDrama people, and it enables them to get around the friends' lock no matter the wishes of the writer. If you have already signed up there, change your password at your LJ. It won't undo the damage, but it will prevent the Frienditto people from being able to troll your friends' list.
Continuing to quote
ginmar, this is from the LJ Abuse team:
Additionally, if you believe anyone on your Friends list may have provided their login information to this website, we can only advise that you remove them from your Friends list. This website will have access to your Friends-only entries as long as any person on your Friends list has given the site access. If any content is present on Frienditto which you do not wish to be there, you will need to resolve the issue with that website.
F-locked posts are locked for a reason. I'm really not crazy about the idea of my privacy, or anyone else's, being violated because the people running Frienditto want to get around friends-lock.