[Grim-444]

Well they start by listing out the advantages of stuff like Robux:

"Parental controls implemented in recent years mean out-of-control spending by children is less of a concern than it once was. By topping up virtual wallets with a little cash, parents save money and time compared with a trip to Target and don’t have to take out their wallets for every little purchase."

They proceed to list out different game currencies and what having them allow you to do, which you couldn't do with cash. Followed by providing directions and helpful tips to parents about how to do it, such as "Advocacy groups recommend that parents talk to children about the potential for disappointment when buying blind packs".