Heroines, not heroin: Facebook page returns after AI flagged it for drugs

IANAL, but...

What might be the effects if our legal systems decided that AI's should be presumed arbitrary & incompetent in legal proceedings? In other words, anyone trying to justify an action (in a legal context) with "the AI said" was prima facie pleading incompetence, if not malice?

She's like heroin to me, she cannot ... miss a vein