This is the right answer. There are use cases which are served well by simple builders - temporary or event-related apps, short-lived internal tools, etc., but

This is the right answer. There are use cases which are served well by simple builders - temporary or event-related apps, short-lived internal tools, etc., but if there is the faintest possibility that this will require maintenance and extension - and "can last for a long time" points to this - you need something robust that you can reliably tinker with.