He also emphasises the medieval barbarity of these practices, which do not take into account progress in medical research that has already led to the complete replacement of the use of test animals with alternative methods in a number of areas, such as car crash tests, tests to check for bacterial contamination of drugs, and tests to check for the toxicity of chemicals.
Izpostavlja tudi srednjeveško barbarstvo teh praks, pri katerih se ne upošteva napredek medicinskih raziskav, ki na veliko področjih že omogoča, da bi preskuse na živalih v celoti nadomestile alternativne metode, kot so preskusi trčenja avtomobilov, preskusi za preverjanje bakterijske kontaminacije zdravil in preskusi za preverjanje toksičnosti kemikalij.