Agree with Mr.P, much more civilised. That said, there will be lots of casual visitors who will not want to register in order to post a comment but that's par for the course. It's the same with most sites nowadays anyway.
There are many ways in which the twerps can still gain access but I'm not about to tell them how to do it!
With any luck, whoever is moderating the site will know about IP addresses and perhaps sort it out that way.
From a personal point of view, I don't see any problem with swearing (I do it all the time!!) but there needs to be a point to it. I totally object to idle t*ssers who have nothing better to do than try to upset others.
I think it's a change for the better but we'll see.