You seem to have a good understanding of what I said. You are probibly have some trouble understatnd the Machine learning based approch because it is in an inherintly "fuzzy" process. That is by desgin. Machine learning is used when humans can't find a rigorous approch to defining that process that we go through to solve the problem.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence