Matt Sanner, 54, vibe coded ScamSkeptic, an app to help his aging family members who have fallen for scams.Zack Wittman for BIThis as-told-to essay is based on a conversation with Matt Sanner, 54, a data manager for a bank in Tampa. Sanner vibe coded an app called ScamSkeptic for his aging family, who had fallen victim to scams. Business Insider also spoke with Sanner's parents, Sue, 79, and Bob, 83, about how they've used the app. This intervie…