Don't think so Bob... If you watch the slideshow, you can clearly see actors working on the floor reflecting off the mylar a la Pepper's Ghost. Frankly, the video still leaves a lot to be desired when compared with live actors on the floor.
That being said, using a filmed "aged" character interacting with his "younger" self is an appropriate use of the technology if, and I mean, *if* the technology doesn't get in the way of the emotional response.
In most productions I have been involved with, when handled appropriately, the audience is happy to "buy into" two different actors playing the same character in different stages of their life.
No doubt, if the technology is used frequently enough it will be "accepted" by audiences, but in the meantime it is more a novelty and hence the focus of the article...