It is things a person believes but on a level they think it is just a fact, which informs the way they operate. Here's an example: "Used cars are the only logical financial choice!" That person cannot be persuaded to buy a new car It's not actually a belief system.
That’s the key - worldviews aren’t especially understandable without a context. The context here is what people do. How they act. How they make decisions and more specifically, related to how you reach them and what you make for them.
Need is like clothes, food and shelter?
Want is like beer, wine, deep fried chicken?
No, that’s not the distinction in 30x500
Need —> restaurants NEED a way to save money/time on menus.
But they don’t want it. so end of story there.