Since no one really knows if a god exists or not isn't everyone, technically, agnostic? Some religious people claim to know that a god exists but they can never demonstrate how they know. They just believe. Most atheists claim there is no evidence for a god (not "I know with 100% certainty there is no god.")
So, basically, no one really knows hence agnosticism. Right?
So, basically, no one really knows hence agnosticism. Right?