I actually would like that, too.
In a few of my maps, I could give people the ability to fly and spectate what others are doing.
This would be particularly useful in my fighting map after someone loses (granted I trust them).
Rollback Post to RevisionRollBack
Well, the forums aren't dying, and neither is my map series on Java.
Check this thread for details or click this link to join the maps' Discord server (the join link is permanent and I am online daily, despite what random post you found this on in 2015).