Does "expecting to live for 10,000 years or more" feel subjectively closer to the current status quo than to immortality for you? I'm guessing so, but it's certainly not the case for me.
They don't feel the same - it just doesn't inspire me to fantasize about doing anything much longer term than I already am when I imagine living to be 10,000. This may be because I haven't spent enough time fantasizing about living for lengthy, finite periods of time, or it may be because I already think long-term enough to cover that eventuality.
One of the proposed benefits of life extension is that it will help us long term plan as we will be around in the future, so we will be more likely to care about the long term future of the world if we live longer.
So is this true? Are we rational in this respect or will the mind recoil from thinking in time scales longer than 40-60 years even when we are living hundreds of years, due to biases intrinsic to the mammalian brain.
I don't have time to research this question right now, so I thought I would experiment by throwing out this question to lesswrong and see how people treat it.