Python will always fail to do any true shared memory concurrency in my mind, so why not go the other route, have concurrency with enforcement of no shared state

Python will always fail to do any true shared memory concurrency in my mind, so why not go the other route, have concurrency with enforcement of no shared state and instead only allow message passing and selective receive. Thats all the rage these days anyways as its easier to reason about. Better still it matches distributed computing models much better.