People deny the emotion because that begs the question of what else does that animals think and feel.

Then all the bias they use to degrade an animal as unworthy are over, think about about many people who idea of relationships is being smarter just a smarter animal.

If they are not actually a smarter animals just another animals with different smarts they are better and no there are not even a smarter animal so... who are they ect ect ect?