I haven't noticed a recent surge, and without evidence I'd be skeptical that there has been one.
That said, my general feeling is: it's probably anti-annoying most of the time (an option which you've left out), and sometimes somewhat annoying.
It's annoying when the submitter improves on the original title and a mod reverts it. But it's anti-annoying when the submitter uses a bad title and a mod edits it. I don't think I've ever explicitly noticed one of those, but I'd still guess they're the majority. (I only notice the annoying ones when someone complains.)
That said, my general feeling is: it's probably anti-annoying most of the time (an option which you've left out), and sometimes somewhat annoying.
It's annoying when the submitter improves on the original title and a mod reverts it. But it's anti-annoying when the submitter uses a bad title and a mod edits it. I don't think I've ever explicitly noticed one of those, but I'd still guess they're the majority. (I only notice the annoying ones when someone complains.)