COVID? I felt it was horror subgenre of the backrooms. which popularized the idea of liminal spaces, that sealed it's fate.
In general this was a correction. The US ranked first in 2018 for retail sq ft per capita at 23. To put this in context, the next highest country, Canada, had 16 sq ft per person, and most developed countries sit around 3-4 sq ft per person. https://www.statista.com/statistics/1058852/retail-space-per...