I agree with Fedya about the date of a post missing can make it hard to catch up on a thread if you happen to be a day or so behind. Not really a big deal now, but I could see game threads being a problem.
Otherwise, the triumvirate can experiment at will. Most men are pretty trainable, so I can adapt to just about anything. I just might bitch about it while doing so...
I do like the cleanup of the "take action" options.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .