>> 1) Fully decoding the cellular mechanism of cells allowing for the curing of any disease, repairing any genetic disorder.
-- so you want to cure aging then- how many billions of people you think can a planet with a 6k km radius sustain ?
You think Claus Schwabs of the world wont buy it out to keep it to themselves ?
>> 2) Commercially viable fusion energy. Will change a lot of things.
-- That will eventually happen, and electricity will be just as "expensive" as it is now, simply because the price of a product has nothing to do with its cost and everything to do with the purchasing power of its intended audience.
>> 3) An AI subsystem with some reasoning ability (yeah, could go either way)
-- No, its cant go either way, the power insatiable psychopaths in power will use it to maximize their power. Period. Its psychopath nature- for them its natural and perfectly normal. Until psychopathy is recognized as a disease and sick people are disallowed from positions of power, the world will continue to be an abusive place.