Help me understand how you get from "the Founding Fathers held racist beliefs" to "those beliefs were good and I support them"? 1770s America saw Hamilton as E

Help me understand how you get from "the Founding Fathers held racist beliefs" to "those beliefs were good and I support them"? 1770s America saw Hamilton as European-American, not Caribbean-American. They'd have cared most about his skin color and lineage, not the physical location of the birth.