Something can be true in a general sense but not be true in each specific situation. Nowhere is this more obvious than in sports, where the best athletes of our time have gathered — each with different bodies, mechanics, and unique goals that make grand statements useless.
All players should lift the ball and hit for power! Generally true. But what do you do when you're a faster, leaner type, and you don't have much power? You aim for line drives and make the most of what you do well. All pitchers should throw 99 mph! Generally true.