@Riot, Spectator Aid Prevention?
So I was just spectating a friend's game and noticed that I was able to send him messages while I was spectating. I could see everything that his enemies were doing. I'm not that person to cheat like that, so I want to ask: is there a way of preventing such behavior where a friend who spectates tells someone who is playing in that game the exact location of a jungler for a example? Is it bannable? Then how do you know? What if they use a foreign language?