I remember that Burger King (Hungry Jacks) once ran a promotion where you got a free whopper if you de-friended 10 friends off Facebook.
De-lamping is just like de-friending.
Maybe that property developer who built the block got over zealous and lit up the garden like a Christmas tree. Similarly, foyers and lobbies can also be lit up with enough light to film TV.
Get trigger happy and “ghost out” some of those garden lights and courtyard lights. Just walk downstairs now and unscrew the bulbs.
You will be on the way to greater energy efficiency.
Wattblock assists strata buildings reduce energy costs by up to 80%