Strength Is the Limiter, but Could Work Capacity Be Right?

Daniels says strength is a limiter, but could work capacity be right? The kettle bell touches that weird area where mobility, flexibility, strength, power and work capacity all dance together. He thinks hill sprints help with the work capacity to throw more. And then somea si will, if you ever did a heavy turkish getup, you would know, ok, I'm strong too.