There's no incentive not to take unreasonable precautions.
If something happens and you didn't do everything people imagine could have prevented it, you'll be fired, you'll be sued, and your name will be dragged through the mud.
If you take a bunch of unreasonable precautions and nothing happens, you're fine.
If something happens and you didn't do everything people imagine could have prevented it, you'll be fired, you'll be sued, and your name will be dragged through the mud.
If you take a bunch of unreasonable precautions and nothing happens, you're fine.