I know a range of different people, none of them are programmers. Do you think only programmers make money?
I am actually shocked and disgusted by his idea of parenting. He wants to isolate them from other children and teach them one skill instead of letting them learn a range and choose.
Re-read what he said, he wants to exclude them from school and get them to work on his business from the age of 13.
I don't expect the public school system to teach my children anything. Hence why they won't be attending.
I fully expect to start "outsourcing" my web dev work to my children when they are 13.