If you could design your own body and hit a button and have it immediately implemented, would you keep your natural self or would you make changes?
We'll just all assume that every person who gets this would make themselves early twenties with flawless skin, perfect organs, appendages and functionality, and no excess weight.
My question is, would you change yourself from your genetic baseline, and if so, how?
Well yeah, the modern transhumanist concepts from like say the '80s to today have all been based squarely in science fiction that has not yet been proven to be possible
This would be more like a "we proved it is possible, now what?" scenario.