Scope creep is the serious one: practitioners treating anxiety, trauma or medical conditions they're not qualified to touch, delaying real care. Manipulation risk follows the Milton-Model patterns into sales and relationships — real, and the reason ethics belong inside training. Overconfidence — a weekend certificate mistaken for competence — mostly endangers the holder's reputation.
Trained and scoped properly, NLP's risk profile resembles any communication skill. The danger is in the misuse, and honest training names it.