If you met anyone, anyone at all, who’s views on the world hadn’t changed in the last 15 years - and I don’t mean this last 15 years, I mean any 15 year period - what would you think of them?
It is quite possible for someone to have thought about their views before they formed them and maintain stable opinions over 15 years because they are aligned with objective reality. That is good. Then there is the opposite where they've got ridiculous views that don't make sense and they stick with them despite all evidence out of stubbornness. That's bad. But again, the exact view and the nature of the evidence is what matters.
The world is about as stable as it always has been. World War II isn't even 100 years ago. If someone's view 15 years ago was 'the world is stable' then yes they are going to be facing a lot of contrary evidence. But that is because it is a wildly optimistic view with no foundation in evidence or argument.
I think their point was more - attitudes to pg's posts have changed over the last 15 years - pg's views are pretty consistent about good/bad over the last 15 years - a lot of the public's (and hn's) attitudes to tech have changed for the worse, people trust tech less - pg doesn't seem to have noticed/internalised these changes
Some of these things are nuanced, complicated things to think about and explain. Nobody thinks that pg doesn't know smartphones have been invented.
Ironically:
1. The term you're searching for with "anger/condescension/whateverthisis" is "curiosity". Typically when I feel curious I ask write a response asking a question.
2. If you're tempted to write "Maybe try to approach other people's comments that you're not sure about with a bit more curiosity" and then "less anger/condescension/whateverthisis" you should pause and consider the utility of asking someone to clarify their intention before making assumptions. I know you don't understand, you know you don't understand. Great time for a "hey, do you mean ...?" style post. I have to admit that sentence got a smile out of me.
This is the exact problem. Anyone who thinks they’ve found objective reality isn’t looking hard enough.