Only in the same way that a photo edited in Photoshop 1 looked incredibly obvious though. In 10 generations of the software it'll be really hard to spot where speech has been changed.
It did sound like they picked the right things to say. I won't be surprised if the extra words appear in the 20 minutes of training speech. Either way even if it's not as magical as they try to make it its still extremely useful for the voiceover industry.
But not so much for the voice over talent.
Damn, I was just about to get into voice overs as well.
I guess I still have a couple years.
Well another job that will become obsolete I guess.