If the “we never say no” Human Embryo Authority in the UK approves the creation of 3-parent embryos, it would be permitting blatant human experimentation on children.
A human being must be respected for the pure fact that he is a human being, not for any function that he may or may not be able to perform at any given point.
Asked what the difference is between an iPS cell that has been reverted back to its pluripotent state and an embryo in its earliest, single-cell stage, Gurdon replied, “Probably none.”