For sure, it's only that chattel slavery is not the only kind of slavery. Limiting the definition of slavery to such a narrow image would reject a lot of very real slavery. The Ottomans didn't keep chattel slaves but they were certainly slavers.
OOP was definitely laundering racism though 100%
Edit: I think it is seriously worth noting that Bacon's rebellion was specifically an alliance of white indentured servents and african slaves against the slave owning class. Just don't pay attention to the colonial anti-indigenous motivations for that revolt though.
Edit 2: maybe not on that last bit