I wonder if this gives science a bad name, studying a thing that really seems quite obvious. When a baby picks a toy and finds that causes no harm but actually

I wonder if this gives science a bad name, studying a thing that really seems quite obvious. When a baby picks a toy and finds that causes no harm but actually fun, doesn't it make sense that they would pick the same thing the next time over something different and new and unfamiliar which might not cause fun but might in fact be dangerous?