Czechia has a racism problem sure, but that map has no data on actual Eastern European countries so there is no comparison possible.
Also you can’t reduce the question of being Eastern European on one metric. Was Belgium under Leopold II. Eastern European? Nazi Germany? USA before 1863?
Counterpoint: https://youtu.be/zGUY5_OObZI
Czechia has a racism problem sure, but that map has no data on actual Eastern European countries so there is no comparison possible. Also you can’t reduce the question of being Eastern European on one metric. Was Belgium under Leopold II. Eastern European? Nazi Germany? USA before 1863?