One counter objection: LiDAR on drone will be a whole lot less useful if they all 1) collect the same frequency of EM, and 2) have any way of picking up scattered signals from other drones (because it was pointed at other drones, or from scattered reflections).
Right now there's not much in the way of LiDAR on anything, but once there is, we will need to find ways to stop other active sensors from interfering with our own.
Right now there's not much in the way of LiDAR on anything, but once there is, we will need to find ways to stop other active sensors from interfering with our own.