What is this crap? Justice Black didn't "decide" that. That was Everson's contention. And FYI, Everson lost.
Justice Black did not consider the historical framework of the Bill of Rights;
But he did. In fact, almost half his opinion deals with the historical framework.
Kinda hard to care what else the author has to say after he begins with such whoppers.
And the lesson is -- Never let the facts get in the way of your agenda.