He was born in socialist Hungary and saw how the nation only became poorer and poorer.
He dreamed of moving to free America and when he was old enough he finally did. He was motivated to achieve the American dream, to succeed, and did; he is now a billionaire.
But recently he sees that the country is going in the same direction he recognizes from his childhood. To fight this progression, he literally put his money where your mouth is and published this commercial to spread his anti-socialism message. CNN reports the bill is around $5-10 million.