Are you really thinking that a Monarchy taking control of it's people and declaring them subjects (property) is the same thing as FREE peoples being born with no loyalty other then the country they were born in?
WTF, wasn't that what the Revolution was fought for??????
Actually, that Blackstone book was discussed by Congress as they set about writing the Naturalization Laws of 1790 and 1795. They didn’t consider it out of order, so why should we???
And, their discussion and subsequent laws track almost thought for thought with the Blackstone section underlined.
Representative Jackson, in the Congressional Record, commenting during the discussion of the Naturalization Law of 1790 said: “I shall take the liberty of supporting the contrary doctrine, which I contend for, by the reference to the very accurate commentator on the laws of England, Justice Blackstone, I, 10”
http://press-pubs.uchicago.edu/founders/documents/a1_8_4_citizenships8.html