How does any of this suggest that the purpose of limited government was to protect slaveholders? No one is going to say that allowances weren't made to protect

How does any of this suggest that the purpose of limited government was to protect slaveholders? No one is going to say that allowances weren't made to protect them but the 3/5ths clause has nothing to do with the enumeration of powers or the scope of government. Limited government and slaverights are orthogonal issues and should be treated as such.