EMP has explained plenty of times what happened and why nothing happened to Onion.
Onion did nothing wrong in this situation, and if anyone else had done the same thing, they would not have been punished.
Had he done it publicly, it would be another matter entirely, but he didn't.

The CM Team is not being corrupt, they are merely being fair by not punishing someone who has done nothing wrong.

EMP has explained plenty of times what happened and why nothing happened to Onion. Onion did nothing wrong in this situation, and if anyone else had done the same thing, they would not have been punished. Had he done it publicly, it would be another matter entirely, but he didn't. The CM Team is not being corrupt, they are merely being fair by not punishing someone who has done nothing wrong.