When you join the game lobby you supposed to check stats of the players who will play with you in the same team. You may ask swap from the host or simply leave the lobby.
Forum (#post_forum) Ingame (#post_ingame)
Ingame Rules
0. General codex:
a) The following rules apply on "lagabuse.com", "la tour" channels and in any lobby or game hosted by la-dota bots
b) Spamming, flamming, national intolerance and similar on our channels will be punished with a channel kick (1st time) or a temporal channel ban (2nd+ time)
c) Evading ban is forbidden and may lead to a lock on server, as well as permaban on all newly created accounts.
d) Sharing account is forbidden and may have consequences for both, account owner and other person who is using shared account.
e) Using more than 1 account is allowed unless the rule 0a is broken.
f) Backdoor is allowed.
g) Player cannot be forced to use !ff, !rmk, !votekick or !yes commands even if the majority of players wants it unless the rules oblige him to do so.
h) Saving the game is forbidden.
i) Reporting anything you are not directly involved is not allowed.
j) User can not request sanctions for actions Older than 7 Days.
hanna^ (https://dota.eurobattle.net/la/forum/index.php?action=gameinfo;sa=player;sid=1;nick=hanna%5E) !Banned 5 days + 2 warn points due to Leaver.