PETA, Thomas Cook and whaling in Taiji 6. October 20186. October 2018 anti-zoo-initiatives, history, media-echo Exclusively for zoos.media – 05.10.2018. Author: Philipp J. Kroiß In light of the recent events surrounding Thomas Cook and certain modern zoos, a stock purchase by PETA at the beginning of the year now seems to be in a different light.