The same reason you don't go on a drunken gambling traveling adventure on the multitude of credit cards you can get at 25 and then just declare bankruptcy, beca

The same reason you don't go on a drunken gambling traveling adventure on the multitude of credit cards you can get at 25 and then just declare bankruptcy, because now you are going to have a bankruptcy status over your head for the next 7 years and you won't be able to buy a house or get decent rent or get a car loan or even be able to sign up for a cell phone without fronting them the entire cost in cash ahead of time.