Peer review is not the same as communication. Peer review means you don't get to share your ideas before your peers have determined that it is likely free from mistakes, and is providing something new. It is largely about the cost of disseminating information, and the reputation of the journal doing the publication.
Science works perfectly fine by validation or falsification by others after publication. It doesn't require a pre-publication gatekeeper.
Science works perfectly fine by validation or falsification by others after publication. It doesn't require a pre-publication gatekeeper.