Yes.
"Too Simple" is something which has been discussed on Stack Exchange before, and was implemented on other sites with a General Reference close reason. It was considered a failure though, since all it results in is users drawing arbitrary lines in the sand for when a question is "too simple", and what sites are considered general reference.
Furthermore, a tool already exists for questions which are too simple, it's called a downvote.
This question does not show any research effort; it is unclear or not useful (click again to undo)
As you can see, the case of a question which is too simple is covered by does not show any research effort
. With this in mind, there's really no reason to close these questions as well, because down votes are already a sufficient way of dealing with them.