Ah, Eve, you were doing so well, and then you slip straight back into idiocy.
Yes, there are. The fact that they're not perfect doesn't mean they don't exist. This is like arguing that there are no laws against murder because people still get murdered.
People are free to murder too, but there are consequences. And the consequences mean that there's less murder.
Seriously, were you dropped on your head? I've spoken to so many people over the years and I don't think I've ever come across somebody who so consistently fails at the very basics of thinking.