Earlier quoted context omitted.
This basic fact eludes the intelligentsia who all assume that federal power is The Way Things Are (or Should Be). They assume it's the default position, when in fact the Framers intended it to be a bare-bones fallback for only basic things like the national defense.
The economy turns out to be a pretty big deal, and Commerce Clause aside, states by design have little leverage over it: their borders being open, capital can always just head next door. Small federal government is basically equivalent to right-libertarian economic policy. In an alternate universe you might see liberals content to build welfare states at state level, but in this one it's not really an option. The fra…
They were well before radio, TV, internet, trains, automobiles, airplanes, nuclear power, and many other things that do not strictly respect state lines. "Leave most decisions to the states" made a lot of sense in 1789 but we live in a different world now.