It is a really recent development. Even if this architecture is technically superior, it could take time before a model using it becomes competitive.
Or maybe it does not pan out at all. We are still at the stage where people are throwing everything at the wall to see what sticks. Some promising ideas which work at small scale do not work at bigger.
Or maybe it does not pan out at all. We are still at the stage where people are throwing everything at the wall to see what sticks. Some promising ideas which work at small scale do not work at bigger.