Christians are exhorted to be very discerning here, especially when buying birthday cards. Yes, Hallmark conveys a humanist worldview more often than not. This self-definition-obsessed existentialist worldview now runs on steroids and has affected everything from birthday cards to movies.
Homeschooled himself in the 1960's and 70's, Kevin Swanson and his wife, Brenda, are now homeschooling their five children. Since graduating from his homeschool and then serving as student body president of a large west coast university, he has gone on to other leadership positions in corporate management, church, and other non-profits.