Earlier quoted context omitted.
> And I think I'd rather get to know the neighbors over at the adjoining castle than the scum in these neighboring flats. Don’t worry — I’m sure the scum feel pretty much the same about you.
The language might seem harsh to you, but you'd understand it if you'd ever lived with or near such people.
I understand it perfectly well, I've lived in densely populated cities my whole life. It's a naked display of something called misanthropy and it's a core tenet of an ethos of self-obsession plus empathy absence that persons in technology AND lifelong US suburbanites far, far too often are afflicted with. Zero mystery here.