Earlier quoted context omitted.
If rejuvenation techniques keep the brain's neuroplasticity youthful, then those hard-wired experiences should be no worse than those of younger people. Would a hard wired prejudice include being fundamentally biased against old people?
Is there any evidence that stem cell therapy can eliminate old prejudices?
Within the context of the pie-in-the-sky subject we're discussing, calling for citations seems kind of pointless. We're all just speculating and talking about what-ifs.