Interesting link.. Beyond the fact that it buttresses my point and not yours, I’m curious why you chose it? It deals with slavery in Virginia a full generation prior to the insurrection.
I saw nothing in dsc's link which contradicts my understandings of history, indeed, I've read similar reports in the past.
Iirc, 1832 marks the last time a Southern slave-state seriously debated abolition.
It's why I have sometimes posted on this (for example, here):