Exactly my point.
EDIT: Actually, I think the bigger problem for me would be how the espers don't use their powers efficiently. Mikoto can fly around and stick to walls using magnetism, but she chases her enemy on foot, and even maintains the shape of the stairs after it blew up. She could have just zipped directly to the enemy and zap her a bit. It was like the entire fight was there just to show how versatile Mikoto's power are at the expense of her tactical ability.