You may think they should be banned but you are clearly wrong. All of the actual issues with MB have been dealt with.
FACT: MB are not ruining any economy. They are a negligible influence on any market. To make an impact would suggest that there is a large number of MB teams. There isnt.
FACT: MB do not shelter bots. With proper evidence it is easy to see what is a bot and what isn't. Blizzard bans in waves so as to hide new detection methods
Your claims are just hysterical nonsense.
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WRONG. Clearly the ToS are not broken as there are no record of somebody being banned soley for MB.
And your judgement is wrong. Luckily for the game your judgement means nothing.
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Then where is this mountain of evidence of people getting banned for it? What you think and what is reality seem to be two completely different things. Your head cannon says they should get banned. Reality says no ban.
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If it is cheating then prove it. It should be pretty easy to back up your claim. Show us how MB in any form is against the rules and had been actioned.