A shopping mall and office complex in downtown Montreal is being criticized for using the popular children's song 'Baby Shark' to discourage unhoused people from loitering in its emergency exit stairwells.
At least its music, though this does confirm that Baby Shark is something they'd have played at Gitmo if it'd been around 2 decades ago.
I have been to many places where things like these are everywhere:
Imagine this but diesel powered, a bit chonkier, and they just emit this high pitched scream (there are other versions called 'mosquito alarms'), and has extremely bright, blue strobing lights that will induce seizures in anyone susceptible.