because he's not the most athletic guy, he's energetic, but not super athletic. And he's not that tall, they say he's 7ft, but he seems slightly smaller than andrea.
It won't matter, love and others in the past have shown you can be very successful without outjumping people. Energy and skill are a deadly combination, especially if you have passion for the game and good BB iq. And it appears that JV has all these 4 attributes, once he learns the NBA game, add more strength and improves his skills, he will be an outstanding player.