Spreading FUD about text-to-speech technology that is not completely lifeless is a bit like blaming google translate or OCR programs from taking away jobs. Making stuff that takes a lot of effort virtually effortless is a massive gain to humanity, especially for people who depend on technology like this to access media (especially so for media in the public domain).
It's such a weird argument that honestly it feels like a trap designed to hurt the striking actors. I hope none them are stupid enough to latch onto this article to support their argument because as an actor saying you're afraid a robot might be better at understanding and conveying the emotion in a book is not a good look. Even more so when you're aiming at accessibility software.