are you serious about this common sense business? There are a lot of plausible reasons why "baby talk" could actually be essential for linguistic or emotional

are you serious about this common sense business? There are a lot of plausible reasons why "baby talk" could actually be essential for linguistic or emotional development. While it does seem dumbed down to an adult, in some ways it simplifies language and conversational protocols. How would you know who is right without a scientific study?