I think a blend of both is appropriate. I'm just being pragmatic, and people can downvote me all they want, but the reality is I trust the magic of courage just as much as I trust faith in a magical sky being.
You are free to disagree with me on whether or not the reasons for additional security are 'objectively insufficient', but my personal opinion is that the additional security I've seen is reasonable when it comes to international travel. For domestic travel, I think it's overkill in places, a position consistent with my original comment above.