Here's a great example photographed by Tatjana Scheffler showing how someone decided to deal with a problematic buried spotlight:
|This work by Tatjana Scheffler is licensed under a|
Creative Commons Attribution 4.0 International License.
The problem was that when you go to to get your bike, the lamp shines up into your eyes and is very disturbing. Whoever found the pylon "solved" the problem for at least a portion of the bike parking area. Of course, this meant that the pillar was no longer floodlit, so this is a more drastic change than what I was talking about above.
Still, if light art is going to be used, it ought to be beautiful. And not just for the cars that are driving past, but for the customers that are shopping in the store employing the light art!