Heck, the concept of lying itself is a philosophical minefield. No way they solved that. This thing, as stated in the article, just relies on physiological indicators and muscular activity. So it is a polygraph with a shiny layer of buzzwords sprayed on.
All in all, just another worrying piece of news from Hungary.
They don't really need to detect lying, they need to detect deception. Which is different, and, I'm pretty sure, possible to detect in most cases with advanced enough technology.
All in all, just another worrying piece of news from Hungary.