I sometimes wonder if other humans have an inner life like me, it's very tempting for me to project my inner world onto other humans.
Are logfiles enough to count as an inner life? We have clear evidence of those.
Then compare the life's work of Picasso to the life's work of most cats. Art is evocative. Cats poop a lot.
Humans poop a lot, I'd guess even more than cats...
What's the difference between a 2 year old child and an adult chimp? The chimp is probably smarter even.