Drone could just take a flight path between a passenger airplane and the ground laser pods, such that shooting the laser would fry the airplane behind the drone. It isn't a great solution, when it ever works.
If you had a battery of lasers, you should be able to cover the sky without hitting unintended targets, because the distance between the drone and plane multiples distance between the ground lasers.
Countering large numbers of small drones will be a key defensive goal in the future.