There was a period during the Chinese Communist revolution that basically labeled a lot of modern science as capitalist propaganda.
There's a book series that starts with that event, and is the inciting event that caused a group of scientists to basically invite a hostile race of aliens to earth to wipe out and rebuild society.
Call me Hitler but it's only a snail. If this can erase my dad strangling me or watching someone shoot themself from my brain IDC how many invertebrates die for it.
Dogs? We have a limitless supply, go nuts scientists. Chimps eh let's say less than 30, the lower the amount of chimps that die the better but at the end of the day, traumatic experiences vastly reduce quality of life for people, so if chimps gotta die, they gotta die.