[quote=@Lucidnonsense]
<Snipped quote by WrongEndoftheRainbow>

And yet the seat of power is still seemingly in fairly unaugmented biologicals, rather than Intelligent Megastructures covering planets :p
[/quote]I am probably closer to that. Basically the only reason why the Federation isn't approaching the singularity because the Last Great War and its military tech abuses scared up everyone pretty bad what rouge AIs or just plain madmen with too much power concentrated into their hands can really do.
Ego the Living Battlestation incident, for example. Where some crazy warmonger decided he should take over the Rainbow Cluster alone by merging his consciousness with a huge battlestation, amassing industry&resources then waging war on all Solarian nations at once.
Because why not?
300 years went by and there are a list of convoluted laws for how technology is allowed to be utilized.