[craigvn]

People do have no idea how cars work.

[stcredzero]

They now know enough to know the garlic bulbs won't work.

[Tyrannosaurs]

They don't know that, they just didn't like the smell.

[stcredzero]

Actually, hanging something under the hood of a running car can be something of an engineering exercise in itself. (But more people back then could tie knots and had good rope or twine sitting around.)