oh, I thought the esrb thing is just some stuff for soccer moms who are overprotective
But then again I use steam and not gamestop so yeah lol
Well it is a guide. ESRB has no legal grounds in terms of laws, its just for consideration for those purchasing games. Most retailers do adopt it, though, to prevent youngin's from buying games like GTA on their own, since they do reserve the right to deny service.