We can certainly go further than cats, but why should it be that our brains are somehow so suited to the universe that our brains will be able to understand the deepest workings?
We've gotten involved in cat rescue - we take them in and find homes for them. I've always loved cats. I saw how homeless cats were living out there. We take them in, put out flyers.
Some people are uncomfortable with the idea that humans belong to the same class of animals as cats and cows and raccoons. They're like the people who become successful and then don't want to be reminded of the old neighborhood.