That only follows if smart is confined to pure ideas and none to implementation. The relevant "stable" of smart in that context are ones who can implement ideas

That only follows if smart is confined to pure ideas and none to implementation. The relevant "stable" of smart in that context are ones who can implement ideas successfully. Like the difference between trying to use a bunch of dutch style windmills, lodestones, and copper wire to try to generate baseload power as opposed to modern escalatingly large wind turbines.