'Paradoxically, in the process of illuminating these biological mysteries, human stem-cell-based modeling could recast much of what we take to be special about ourselves as simply a reproducible series of physical events. What does it mean for individuality, for example, if the early embryonic history of each cell line donor can be replayed again and again through the artificial generation of identical human embryo models?'
https://www.cell.com/cell/fulltext/S0092-8674(24)00537-3