Just a quick update for those cautious of jumping into the ANTHEM public demo: it actually seems to be working quite well. There were reasonable fears that the demo would crumble as soon as it launched -- much like the VIP outing last weekend -- but it looks like connection errors are being kept to a minimum on PlayStation 4.
That's the case right now, at least. Anything could change over the course of the weekend, but if you're interested in trying ANTHEM out, there's currently no reason to fear endless load times and unresponsive menu screens.
Let's just hope that it remains this stable over the course of the next couple of days, and that this article hasn't jinxed it.