Valve added warning of permanent ban for smurfing in Dota 22022-06-04 16:54:00
Valve added smurfing as an official reason for a permanent matchmaking block in Dota 2. Such a line appeared in the update of June 3, although it's unclear if the players can already receive a ban for playing on an alternative account.
Coincidence or not, not long before the update, a prominent streamer Janne "Gorgc" Stefanovski had a loud rant about an alleged smurf who ruined his game. Shortly after the update, this player's account was VAC-banned.
Valve should be already banning smurfs by the current official rules. These were applied in March 2021, but the community wasn't satisfied with the results seeing pros and streamers smurfing regularly. It was also mainly targeting newly created accounts. This new in-game warning may indicate more strict protocols to be implied soon.