It could never work (to make animal research obsolete) because there is no human substitute for these: http://www.understandinganimalresearch.org.uk/how/areas-o

It could never work (to make animal research obsolete) because there is no human substitute for these: http://www.understandinganimalresearch.org.uk/how/areas-of-research/breeding-and-gm-mice/ http://www.understandinganimalresearch.org.uk/how/areas-of-r... And unless it becomes ethically acceptable to genetically modify human embyros for testing rather than mouse embyros, then this is not going to change. This isn't arrogance or impoliteness, it's just how it is.