You underestimate your parents likelihood to overgeneralize your sandbox advice. I expect you will be receiving this call months from now: "You told me to use

You underestimate your parents likelihood to overgeneralize your sandbox advice. I expect you will be receiving this call months from now: "You told me to use sandbox to be safe, so I wrote critical document X in a sandbox because I want it to be safe, but now that I rebooted I've lost all of my work."