Watch “Mr. Kitters the Cat”, the guy that straps the camera to his cat and you get to see kitty adventures around the neighborhood. The cats talk to each other all the time.
Maybe it's intentional. I see this quite often as a way to drive engagement. If you post misinformation, a lot of people will rush to correct you. If you post something true and easily agreeable, people might just hit the "Like" button (or do nothing at all) and move on.