There's a reason why Myth #1 is so persistent: the action itself works, just not for the reason advertised.
Most cooks who advocate for Myth #1 will salt and pepper the steak, then let it rest for 20-30 minutes. The salt draws out some of the moisture from the surface of the steak and leaves it behind on the resting surface. The less moisture that enters the pan means better browning.
Most cooks who advocate for Myth #1 will salt and pepper the steak, then let it rest for 20-30 minutes. The salt draws out some of the moisture from the surface of the steak and leaves it behind on the resting surface. The less moisture that enters the pan means better browning.