This is an important issue, a form of slavery that persists in present times without attracting comparable attention and condemnation, but bad as an explanation for low popularity of cryonics, since a sizeable fraction of population doesn't have this problem.
a form of slavery
Eliezer has said something wise on exactly this point...somewhere. It is somewhat in contention with what you say here, or at least how you say it.
If your foundational principle that you program into in AI is that slavery is bad, taxes become impossible to collect.
So arguing against something by saying that it is qualitatively slavery is suspect, akin to arguing against food because it is qualitatively cyanide. An argument against apples should have to enumerate the quantity of cyanide in the pits and the lethal dose to humans.
I'd rathe...
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: