Look, Cal could avoid actively using his powers, but he couldn't just turn the Force off. (Actually, he probably could, but why would he want to?) He didn't go searching for a cache, he just, you know, didn't ignore when he happened to stumble over one. If he used the extra ammo to pick people off that were getting close to Arden, that was a selfless cause and definitely not him narrowing the field for his own amusement.

"You're looking good out there!" he called in the direction he'd last spotted her.