There's a lot of problems, but the main one is that it just is a pile of arbitrary rules that all the characters just constantly explain to one another.
Imagine the first third of The Matrix was cut and you just start with Morpheus explaining it all to Neo. That's Inception. And on top of that, it's not even a particular complicated idea: it's just Russian doll dreams.
Imagine the first third of The Matrix was cut and you just start with Morpheus explaining it all to Neo. That's Inception. And on top of that, it's not even a particular complicated idea: it's just Russian doll dreams.