I would also would like to be abe to write whispers to MODs if I have chat-ban as I need to ask question about game/bugs somewhere. With ban on chat and forum at the same time people will have huge problems.
From webpage, you can send a PM even if you are banned, unless you have an account-ban, then you'll have to contact by answering the mail you got from support team.
everyone playing this game should be 18 years or parents monitoring kids so according to bytro rules it should be safe to send banned players there.
Acoording to Bytro policies, users must be over 16 to play without parent monitoring.
As NarmerTheLion stated, if you want to discuss this type of things, you should open a new thread where we can discuss it properly, this thread is for the monetization of the game.