I suppose you didn't watch the video that Tony posted, but yes, it was stream shenanigans
Markiplier was streaming his new 'A Heist With Markiplier' series where you could choose which paths to take, A or B, so Mark told his audience to spam green or red emotes to indicate which path they wanted to see most, and so they did
But deleting their entire Google account no questions asked seems way too harsh, especially if the accounts have data on if they're paying money for any of Youtube's paid services and/or are paying money to support their favorite content creators