Yeah, and actually in Season 1 there are flashes of an attempt to deal with the realistic fallout of their predicament. They just also tend to get swept aside very quickly where and when they do crop up.
I think that what's so symptomatic of the show. The quick sweep aside.
'If the Apocalypse starts, beep me!' - Buffy Summers
'The sky's the limit.....' Jean-Luc Picard, 'All Good Things'
courtesy of Saquist