I wasn't aware that only universally held views were appropriate to share but even if that were so, how can one even know what is or isn't shared unless one or

I wasn't aware that only universally held views were appropriate to share but even if that were so, how can one even know what is or isn't shared unless one or the other speaks first? It's funny, because if were is a ban on sharing unshared views, we could never hold any views at all!