On the other hand, I believe that researching how animals think, behave and "work" in general, is a very important part of being human. They're alive, too, and they defy tons of prejudice we have about them over and over. We need to revise tons of knowledge about animals and other living things, in general.
[0]: https://www.ias.edu/sites/default/files/library/UsefulnessHa...
IIRC, many if not most EU countries employ similar methods.