Seems to be a US problem. I als never get unsolicited calls in my country.
The callers, by their accent, seem to have moved to the vicinity of the Indian subcontinent since [1]. Bless their hearts, they still do check in on my once in a while. It just doesn’t make sense that they don’t organise and make a database of nuisance callees or callees with no vehicle.
[1]https://www.theregister.co.uk/2017/03/09/road_accident_nuisa...