Nope, they are way behind on the forum software version, the Ignore Member isn't supported without the current stuff.
Of note, the 2.x release of SMF (which is the software we are using), just got the "thumbs up" from them for production usage very recently. We are 100% up-to-date with the 1.x version, which up until a couple of months ago was what they suggested for a reasonably high-volume production site.
I imagine at some point in the future we'll move to the 2.x series of releases, but that will be up to Michael as it's his dime!
The current method for blocking users works although I have to agree that the wording on it is poor.