Robert E Lee was a traitor who was lucky to not be hanged. He treated his slaves just as badly as most other antebellum period slave owners which was horribly. Here’s the testimony of one of his “happy slaves” :http://fair-use.org/wesley-norris/testimony-of-wesley-norris
Emo Phillips had a great bit about this back in the 80’s. https://www.youtube.com/watch?v=ANNX_XiuA78