It's currently unknown what specifically got Rusev / Miro banned from Twitch, but there's speculation that it may be because Lana appeared on his channel in a bikini, despite the rule being that you're allowed to wear swimwear as long as it covers sexually suggestive areas.

I was too sexy for Twitch. I learned my lesson. See y’all tomorrow https://t.co/LpksrVZZJM

, Miro (@ToBeMiro) July 31, 2020