In the UK hunting deer at night with artificial light is banned except in very rare circumstances, i think only 2 licences were issued in the whole of England in 2014.
But in the past you could see where this illegal activity was happening, you can't really hide spotlight, you can see it for miles.
However, there is a huge problem recently with night vision equipment, they do it under the guise of 'fox control' which is legal.
You just don't know they are around, couple it with sound moderators and the deer don't stand a chance.
Don't have a problem with them doing it, just that they need to manufacture their own weaponry, stay totally in authentic threads. Then when they are original in person, and atire, I'll agree with the intent of the treaties.