All BuddyPress plugins should be activated sitewide. Since they depend on BuddyPress, they will only work with BuddyPress. This means they will only work on whichever blog BuddyPress is associated. So, although they are technically activated sitewide, they only work on the main blog–the blog that BuddyPress works on.
Now non-admin users can see Facestream admin options in console.
