"reality-oriented Voluntaryists" seems like an oxymoron.

The Saudis intentionally flooding the market with cheap oil in order to screw all other oil producers is what really did Venezuela in, of course neither socialism nor American sanctions were helpful. Socialism is why their economy was utterly dependent on the nationalized oil industry.

They didn't start using Napalm in Vietnam until about 2 years after Kennedy's assassination, so obviously there is some bullshit there.

The bombings in Japan were part of a war, those killed were supporting the war effort, a war the Japanese started with a sneak attack. Not to mention the number of lives that using those bombs saved on both sides, do you think an invasion of Japan would be less bloody? Would you prefer firebombings like Dresden? More civilians were killed there so that level of slaughter had a precedent.

Indeed Abe Lincoln didn't really give a shit about black people.

The quip about Washington is revisionist, they are only hypocrites if we project our modern understanding and morals on them and take them completely out of context. It's part of a modern progressive effort to demonize white men and by extension America. Washington didn't do anything wrong or hypocritical by owning slaves. Washington understood very well that the only possible way for America to pay off its debt was to allow slave labor to develop the frontier.
We see slave labor as bad because we have fossil fuels doing most of our slave labor for us. We take that luxury for granted. Of course America is still very dependent on slave labor, we just outsource it.