Leaving non5v5 game allowed?

[DuffMan]

Can someone explain me why and where is written, that leaving non5v5 game is allowed? For example this: http://playdota.eu/forum/index.php/topic,36428.msg112737.html#msg112737

[ek0]

Rules, Ingame, Last notes, 1

NOTE: All the rules are only for DotA Ladder games hosted by playdota.eu bots

DotA ladder games are all games, hosted with the !gopub, or !gopriv command. The game has to start with 10 players. The game mode should not include -wtf and/or -test. The Throne or Tree must be destroyed.
This is a DotA Ladder Game.

[DuffMan]

Rules, Ingame, Last notes, 1

NOTE: All the rules are only for DotA Ladder games hosted by playdota.eu bots

DotA ladder games are all games, hosted with the !gopub, or !gopriv command. The game has to start with 10 players. The game mode should not include -wtf and/or -test. The Throne or Tree must be destroyed.
This is a DotA Ladder Game.

ah thx, i read it, but havent realize "ladder" = also 5v5