Those 2 C's being "Cheaters" and "[Mild Profanity Starting In C] Teams", and because it wasn't a Sniper, the first C didn't get kicked despite it being obvious.
Top Tip: Not all cheaters are bots. But a common trend with cheaters is that they usually are pretty bad behind their cheats, and will usually die, repeatedly, to Sentries. Not an ideal solution, but it can help stop the cheater from carrying the other team for a bit.
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