Earlier quoted context omitted.
> the founding fathers who held other humans in bondage for all sorts of free labor Actually, slavery was a bitter dividing line among the founders of the USA. It is intellectually lazy to ascribe slavery to all of the founders of the USA. It also insults those who were vocally and politically against slavery, from the very earliest days. You can find many examples with any effort at all.
Almost all of the founding fathers either owned slaves or weren't willing to stick their necks out to stop it. We absolutely should question their judgement.
$googlesearch "how many signers of the US Constitution were slave owners?"
25 Of the 55 delegates to the Constitutional Convention, about 25 owned slaves. Many of the framers harbored moral qualms about slavery.
Historical Context: The Constitution and Slavery