In 1957, the Cadillac Eldorado Brougham came with an optional minibar in the glove compartment because....
No, there's no good reason for this feature. Though, cleverly, the shot glasses were magnetized on the bottom to prevent them from tipping over. That's the only smart thing about this option. It's one of 10 bad car design features rounded up by Michael Ballaban of Jalopnik. You can read the rest at the link.