Guy seems ignorant of constitutional originalism, which is precisely about understanding the Constitution in light of what the framers were thinking at the time. That is, it’s not just about the text itself as with strict constructionism. Scalia is an originalist, and I’d say most tea partiers and conservatives in general are in that camp. We want the kind of government that the framers envisioned, for the same reasons that they envisioned it. This means we must insist on limited government, which is of course what really bugs him.
It is also important to understand that in those times, there was a much more black and white division between right and wrong than there is today. The writer of this piece will find an audience because such a consensus no longer exists.
Many examples could be cited - legal theft via the taxing power and legal murder via abortion on demand would be a start.