"class traitor"?? Raising taxes on middle class(while high classes pay almost nothing) in order to pay low class benefits is not being a traitor on high class.
It is being their best friend, specially when they were terrorized by the Great Depression. They also removed competition on those small business that could compete with the monsters. Two birds with one stone.
Theodore Roosevelt was someone who actually went against his benefits and privileges fighting against big lobbies. He had a hard time doing it.