Not until a particular baby-yu said something smug/scummy deliberately, should one ascribe 'smug/scum' on said baby-yu CV.
More precise observation that way.
TwitchYun♪PoingFlufffShtretchFlappityflapWhoooshWaggleWaggleWiggleYun♪POPYunCHAGE ID EAJY!Pyapya! Myamya!Yugugu!Widdwe shish!PoffWigggleChoo Pyapya! And Myamya! Wech gweech ebewyone!
To papa! And mama! Let's greet everyone!Gweeching! Gweeching!
Greeting! Greeting!Widdwe shish!Yu!YuuunYu...!Widdwe shish!Eajy! Ea-jy!Yuwa~!Yu!Flap the wings called courage into this world no ze! Taking it easy is fine!Keep at it, last little one!Yuyu...?Yu...Yu-