Your last point is a bit off. Text pages are shared iff they come from the same file. So your point works if the 90k processes are the same program. Else: shared libs...
Yeah I was typing too fast in ranty mode, thanks for calling it. I did a much more detailed answer that gets it (mostly) right replying to another commenter: https://news.ycombinator.com/item?id=32461766
