He had the guts that most people never get to experience. Therefore, until you walk in his shoes, give him a break. All of these people who are sparking about his background have probably done the same thing. None of us are perfect and neither are all of those who are making all of this noise – after the fact.
Maybe all of you will end up one day where people are throwing rocks at all of you.
Good luck to Mr. Walker in his future endeavors.