At the bottom, “He Gets Us” is simply shrewd people-reaching, from a budget perspective. Sure, it may not be a persuasive message, but:
It was viewed by over 100 million Americans.
It has been by far the most widely-talked about Super Bowl ad after the game.
A lot of people snarked, “Shouldn’t Christians have spent that $14 million on helping the poor instead?” But if they’d spent it that way, it would have gotten no media coverage.