Agreed.Indeed he even said he heard of incidents of brutality on other Plantations.
With a 100 slaves his father must have been quite wealthy but not a Brute anyway.
Slavery as a State policy was on its last legs anyway as an Institution - it would have disappeared within a generation as inline with other States eg Russia, Brazil.
Of course there is still slavery today but on nothing like the same scale.
In that light it is odd that the Confederacy did not gain the high ground by emancipating or even promising to emancipate the slaves.
Our own Patrick Cleburne advocated that, but was killed, at Franklin I think.
But his was a minority voice until the last few months of the war.