Angles come from customer language, not from a moodboard. Reviews, support tickets, sales-call objections and comment sections tell you exactly why people buy and exactly why they hesitate, in the words they actually use.
Street interviews add a live source: ask real people about the problem on camera and the reactions hand you hooks no workshop would have written. The best angle catalogue is discovered, then organised, never invented.
Street interviews double as live angle mining: ask twenty strangers about the problem and the phrases they reach for become hooks verbatim. The 'senior dog with stiff joints' angle that carried Collagen for Hund reads exactly like something an owner said out loud, because that is what it is.
