Maybe in a civilized place where there is density and people aren’t wont to commit senseless vandalism. Singapore, urban Finland.
Also it would seem it’s not an energy efficient way to deliver goods to people, but who knows. Paradoxically it would make sense for high value/low mass items like medicines (or narcotics too), but that would make them a more enticing target.
Delivering tacos or sushi on the other hand... maybe years hence.