Is it advisable to simply mute all players in a game?

I was watching a video on youtube about a certain player who mutes all players in every game. This way he does not see the comments from flamers. I have noticed that the games I have done best in are the ones where people do not flame other players. I do not flame other players when they make mistakes I think it is pointless. I figure every player is trying their hardest to win. Normally i suggest to people to ward more often especially the jungle-river entrances so that the enemy cannot gank from our jungle without us knowing. I have noticed that players do not ward enough.
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