Yours is a grim vision and I hope it doesn’t come to that.
I can’t disagree more on this point:
”governments and major institutions, which have been major blockers to the adoption of technology on a societal level”
After all we’re having this conversation on a global network originally created by government grants, not on AOL or some other commercial alternative.
Re: 50% of being alive in 2120, it does seem optimistic. It’s actually an official projection by the National Statistics Institute of Finland taking into account birth year and gender.