Rules for streamers

About how to broadcast on servers.
For example, russian servers all polls require streamers to set a large broadcast delay, close all maps and information. Without even waiting for any specific streamsniping cases
How legitimate is this rule? In this case, it is impossible to work with your audience, and often people come and ask about the game.
Even if this prohibition is allowed, then again, most of the servers do not moderate broadcasts, and even more so over a wide range of time, which is why situations occur when some get bans on the servers, while others calmly broadcast and no one bothers them.
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