They are only being used to grief opposing empires by creating dummy accounts to block the exits of the spawn room in the warp gate. Since you can't destroy them there is no way out after a few dummy accounts are used to block all the exits. Please PLEASE either make them not clipping or remove the ability to spawn them at all.
Been a problem since beta and continues to be. Wait till you get to see people griefing vehicle pad exits with them its a hoot
Not being able to put them near the spawn room (or vehicle pads) seems like a good idea. But yesterday TR took over the whole map on Jaeger and I used my NC turret to shoot soldiers, flashes, and fighters that got too close from just inside the warpgate shield. Killed a few guys that way and made a few fighter pilots panic and flee, so I think it was useful enough to not just outright disable the placement of turrets anywhere in the warpgate enclosure.