Incidentally, he did rebel. He converted to the most non-American thing he could find. Which, actually, only resulted in more rules. Clearly, his comfort level.
It is a similar story with these types from that era. See Obama's mother. Grow up hating America and gravitate to anything foreign, exotic or counter to American values.
Now, it is all so commonplace. To rebel, this generation and the next will have to have 2.4 kids, be heterosexual and live conventional family life.
5 kids and wear a suit and TIE!