It was to remind people about how money is bad.
If one person has lots of money others will be sad and jealous. Money is not fair. With money there are poor people. Without there are not. What would you do if everything was free?
I would make food and make people happy. Or make the house I've always wanted and be a wizard and teach.
Store does not mean a place to buy stuff, it means a place to store stuff.
Shop doesn't mean that ether, it means a work place.
Here is Sacred Economics if you want to watch it:
