Well, if there was food hoarded by the wealthy, I'd agree with you. But I'm not sure. Much like storming the Bastille, it'd be more symbolic than anything.
Billionaires have a big number on a piece of paper, but they don't really have anything of value to a revolution, so I think most of them would just end up on the street like anyone else.
I think their comment was more about how those content with bread and circuses will tolerate a lot more abuse in other ways to avoid risk losing those things. When doing nothing is punished by the stick of death, the other sticks seem a lot less intimidating.