Please help me this is in Greece if anyone needed more information

Ineed your opinion for the question of what is your thoughts on the use of medical marijuana? (social experiment)

Jackie went to the grocery store to pick up yogurt, bread, and apples. first, she picked up a hand basket for carrying her groceries, and then she searched the store. after finding what she needed, she stood in a check-out line. then, the cashier put her items in a plastic bag, and soon after, jackie left the store. as readers of this event, we understand that jackie paid for the groceries, even though it wasn't mentioned, because we are relying on a grocery store

Plz i really need hepwhy is it important for students who have their own rights to question and change established ways of doing things