-The post you replied to did not contain the word racism
-The post was calling into question the exclusion of certain classes of humanoids from the framework of rights agreed on at birth of US
-No commenter said the words "you are racist"
-You failed to offer why the exclusion of black or female people is just
In “Notes on the State of Virginia,” Jefferson wrote, “I tremble for my country when I reflect that God is just: that his justice cannot sleep forever…” He believed that to keep slaves in bondage, with part of America in favor of abolition and part of America in favor of perpetuating slavery, would result in civil war. Jefferson’s prediction was correct: in 1861, the contest over slavery sparked a bloody civil war and the creation of two nations — Union and Confederacy — in the place of one.
Read up on natural law