This could be one of the most asinine things i have ever read. Not advanced at all? Considering there are NO (zero, none, zilch, nada) other companies using digital assistants that are even on the level of Siri shows one thing, that it IS advanced (and considering that it is a very adaptable learning software, it will continue to advance, which is odd for the kind of market that it is in, where most of the companies who control such things would rather you buy a new device with said advancements over furthering the software itself on the older devices until they are simply unable to keep up with the process itself).
I know a lot of people who don't use Siri, my wife is one...she just doesn't have a use for it (but has admitted that she looks forward to when it is more relevant to what she does that it would make easier). It's just not very useful for some people (i happen to use it quite a bit personally, but i may be the majority). Saying the program isn't advanced though is, to be blunt, dumb. It's incredibly advanced, and continues to grow day by day.
Just putting it out there, but your "frustration" with Siri seems awfully dramatic.