Not always. If the helicopter has some forward speed the tail fin (stabiliser) provides some directional stability (think weathercock). The aircraft can then land with a high forward speed or shut down the engines removing the torque. If it happens at low speed then diving to get some speed on...
Not true I'm afraid. I fly helicopters for a living (military) and things go wrong in fixed wing aircraft that can be catastrophic too, look at the latest Indonesian 737 for example, not that the inquiry results are in yet. If all engines fail in a helicopter (and most good commercial...