It would be suicide in the American academy to show too early an interest beyond your doctoral specialization: charges of everything from charlatanry to ambition would be levied and tenure denied. I've seen this first-hand.
No one wants to live in a wheelchair unable to talk, only winking once for yes and twice for no. It's perfectly reasonable that there will come a point where the balance of judgment of life over death swings the other way.
We have responsibilities for others, not just across space but across time. We have responsibilities to people who came before us. They left us a world of institutions, ideas or possibilities for which we, in turn, owe them something. One of the things we owe them is not to squander them.
Reality is a powerful solvent.
Social democracy does not represent an ideal future; it does not even represent the ideal past.
I don't want to be the passively alert vegetable in the corner that takes in everything but can't communicate, which I think would suck a lot of life out of my family without giving very much to me.