"Admin/Moderator decisions are final and arguing with them can result in suspension or banning of your account and purging of your content."
At reddit, we ran into an issue where a moderator took issue with a post of of ours (a verification, actually, so it was extra obvious we were new there). We sent a very respectful and apologetic response to their message asking only for clarification about the rule so we could avoid violating it in the future. The response was an immediate and permanent ban across 12 separate subreddits that this person moderated.
We believe most mods wish to help and are genuinely doing their best, but in cases of abuse, what recourse would we have?
My favorite picture of her going all the way back through her career.