Why only single out government/public sector jobs as palces for all-age job stability?

Aerospace, defence, semiconductor, automotive, industrial, medical, healtchare, banking, insurance, manufacturing, naval, rail and freight, logistics and transportations, basically all legacy businesses, all are hiring SW engineers and are staffed by mostly older workers, but HN mostly snuffs at these fields because they're not in SV, are seen as un-cool, boring, old and crusty and don't pretend to change the world through innovation and paying millions in TC for 10h/week of pretending to work from home like Google does, but it's not like you will starve to death and be homeless if you work as a dev in those kinds of fields for a lot less than what Google pays, going from 1% top earners to 5% top earners.

This might sound harsh, but perhaps the last ~10+ years of hyper-growth in the VC funded SW sector has warped many devs perspective on their own value and what the rest of the real world is like.