Revealing mistake: When Charlie sets the mens clothes on fire, burning gel is clearly visible on their clothes. (00:38:30)
Revealing mistake: When one car explodes, you can blatantly see the two men standing beside the car are in fact nothing but lifeless dummies. (00:39:45)
Revealing mistake: When Charlie is in the testing room at The Shop, she is asked to set a tray of wood chips on fire. The tray starts to smoke and in one view you can see the smoke coming from under the table. (01:14:45)
Answer: Everything happened too fast for him to react, his powers were barely working, controlling only Captain Hollister. If he was at full power he could have controlled everyone.