I just can't take anything serious for what Donald Trump says. I can't find any information on his Brother Fred Jr. So I don't know if he had an alcohol program. He could have but like what Stride34 said he is out for himself only.
For us it would be hard to stay away from alcohol (drugs for some of us) when leaving that type of lifestyle but when a person never drink it's pretty easy to stay away from alcohol in social event.