Trust is NOT a bad thing. Being FORCED to trust is very bad. Especially being forced to trust vipers. But a family, for example, is a place where trust can thrive. At least a mostly good family... I know not all are. In this case uncle Richy the geek can run a mint/lightning node/whatever. He is the families "Central Bank" and can think up ways to offer ease of use, backups, instructions, vaults, mints, nodes, whatever... at the cost of trust. But uncle Richy is a good guy... and can be trusted by the family... so...
Funnily enough, just the other day, I was thinking about an app for a "family bank" where members of a family could exchange funds with each other for payment for chores, pocket money etc to help kids learn money. Maybe for later exchange for cash, crypto, rewards or whatever.