I mean, you're not wrong, but the truth is, anyone can tell a story. I hear tons from drunks at bars and homeless folks in my city.
What makes a director/story writer so exalted as to have better stories?
The best movies, IMO, are those that can tell a story while drawing the audience in. Whether through comedy, sadness, shock, etc.
This movie was just a person telling a very weird story. Taken at pure face value, and ignoring the actors' talent, it sounds more like a story a random drunk person on a bus would tell.
I understand art is completely subjective, so I'm in no place to say you're wrong. But it's kinda dismissive to tell someone who hated it to watch superhero movies. Now -those- really shouldn't be made.