As It is said during the spell’s description, Hypnotic Pattern does set a appeal over the impacted creatures. You do not need edge on assaults versus incapacitated targets. They usually still make saving throws as regular. They're clarifications on how the incapacitated problem (PHB 290) works more than a rule https://patron-hipnotico31021.blogkoo.com/top-latest-five-patron-hipnotico-urban-news-54196607