This is definitely not a film for everyone, and it seems the biggest issue people have taken is the delivery of the dialog, but that's kind of the point.
This film is absolutely weird, but the whole time it feels uncomfortably uncanny with how the characters communicate with one another, making you feel like you're some outside observer into some weird experiment of aliens trying to imitate human interactions.
Very odd but an extremely engrossing film. It's a slow-burn in terms of plot but very worth the watch if you want to feel uneasy.