Socrates isn't warning against mere idleness—he's identifying a peculiar modern trap where motion masquerades as meaning. A life stuffed with obligations, meetings, and tasks can feel productive while leaving the soul untouched, like someone who reads constantly but retains nothing. The sting of "barrenness" suggests that busyness becomes dangerous precisely when it feels justified, which explains why the overworked professional who hasn't had an unscheduled thought in months might suddenly wonder what it's all for. The antidote isn't less doing, but doing things that actually feed you.