The odds of someone’s face randomly unlocking Face ID is lower than randomly unlocking Touch ID, but what is the chance of someone intentionally unlocking it -

The odds of someone’s face randomly unlocking Face ID is lower than randomly unlocking Touch ID, but what is the chance of someone intentionally unlocking it - say with some mask or facial prosthetic built up from video observation? Maybe there is no Face ID because laptops are more often unattended than phones?