Liz is less of a surprise because like Adam, she served on J6, and has been pretty vocal and consistent in her speakings on Trump. Not like Haley.
That's where I think there's some value, marginal but every 1/4 point counts, in guys like Kelly and Mattis and other non political members of his cabinet, along with Judge Luttig, to come forward. It further emphasizses the "weird" vs "normal" contrast but doing so in an adult and proper way rather than just making fun of them.