The movie was interesting and wasn’t lacking for sure. ( I m not the one to judge but…) I just never got a…
it's all about symbolism, it might seem just like a thriller to the naked eye but the meaning behind each and everything even the positioning of the characters is important to truly understand this movie.
It is just filled with symbolism and metaphors, if you do not try to find the meaning in their dialogues and visuals then there will be no meaning. So give it a try, try to understand but if you are somewhat of a dense person you may need to watch it a few times. There will be meaning only if you try to find meaning.