Essentially, both are about a system that corrupts and does not deserve virtue (the Carthaginian Council; the Padishah Emperor) and virtuous characters (Hamilcar; the Atreides) contrasted against non-virtuous ones (Hanno; the Harkonnens). Baron Harkonnen's anti-gravity implants are Hanno's luxurious slave litter, and his black goo bath is Hanno's cinnamon oil one. ;D
I don't think the inspirational link is very common knowledge. I found something about it here: https://www.researchgate.net/publication/351461270_Salammbo_...
Essentially, both are about a system that corrupts and does not deserve virtue (the Carthaginian Council; the Padishah Emperor) and virtuous characters (Hamilcar; the Atreides) contrasted against non-virtuous ones (Hanno; the Harkonnens). Baron Harkonnen's anti-gravity implants are Hanno's luxurious slave litter, and his black goo bath is Hanno's cinnamon oil one. ;D